257853960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 384

約数和(自身を含む): 1094446080

約数和(自身を除く): 836592120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 24, 26, 28, 30, 34, 35, 36, 39, 40, 42, 45, 51, 52, 56, 60, 63, 65, 68, 70, 72, 78, 84, 85, 90, 91, 102, 104, 105, 117, 119, 120, 126, 130, 136, 140, 153, 156, 168, 170, 180, 182, 195, 204, 210, 221, 234, 238, 252, 255, 260, 273, 280, 306, 312, 315, 340, 357, 360, 364, 390, 408, 420, 442, 455, 463, 468, 476, 504, 510, 520, 546, 585, 595, 612, 630, 663, 680, 714, 728, 765, 780, 819, 840, 884, 910, 926, 936, 952, 1020, 1071, 1092, 1105, 1170, 1190, 1224, 1260, 1326, 1365, 1389, 1428, 1530, 1547, 1560, 1638, 1768, 1785, 1820, 1852, 1989, 2040, 2142, 2184, 2210, 2315, 2340, 2380, 2520, 2652, 2730, 2778, 2856, 3060, 3094, 3241, 3276, 3315, 3570, 3640, 3704, 3978, 4095, 4167, 4284, 4420, 4630, 4641, 4680, 4760, 5304, 5355, 5460, 5556, 6019, 6120, 6188, 6482, 6552, 6630, 6945, 7140, 7735, 7871, 7956, 8190, 8334, 8568, 8840, 9260, 9282, 9723, 9945, 10710, 10920, 11112, 12038, 12376, 12964, 13260, 13890, 13923, 14280, 15470, 15742, 15912, 16205, 16380, 16668, 18057, 18520, 18564, 19446, 19890, 20835, 21420, 23205, 23613, 24076, 25928, 26520, 27780, 27846, 29169, 30095, 30940, 31484, 32410, 32760, 33336, 36114, 37128, 38892, 39355, 39780, 41670, 42133, 42840, 46410, 47226, 48152, 48615, 54171, 55097, 55560, 55692, 58338, 60190, 61880, 62968, 64820, 69615, 70839, 72228, 77784, 78710, 79560, 83340, 84266, 90285, 92820, 94452, 97230, 102323, 108342, 110194, 111384, 116676, 118065, 120380, 126399, 129640, 139230, 141678, 144456, 145845, 157420, 165291, 166680, 168532, 180570, 185640, 188904, 194460, 204646, 210665, 216684, 220388, 233352, 236130, 240760, 252798, 270855, 275485, 278460, 283356, 291690, 306969, 314840, 330582, 337064, 354195, 361140, 379197, 388920, 409292, 421330, 433368, 440776, 472260, 495873, 505596, 511615, 541710, 550970, 556920, 566712, 583380, 613938, 631995, 661164, 708390, 716261, 722280, 758394, 818584, 826455, 842660, 920907, 944520, 991746, 1011192, 1023230, 1083420, 1101940, 1166760, 1227876, 1263990, 1322328, 1416780, 1432522, 1516788, 1534845, 1652910, 1685320, 1841814, 1895985, 1983492, 2046460, 2148783, 2166840, 2203880, 2455752, 2479365, 2527980, 2833560, 2865044, 3033576, 3069690, 3305820, 3581305, 3683628, 3791970, 3966984, 4092920, 4297566, 4604535, 4958730, 5055960, 5730088, 6139380, 6446349, 6611640, 7162610, 7367256, 7583940, 8595132, 9209070, 9917460, 10743915, 12278760, 12892698, 14325220, 15167880, 17190264, 18418140, 19834920, 21487830, 25785396, 28650440, 32231745, 36836280, 42975660, 51570792, 64463490, 85951320, 128926980, 257853960]

約数ペア:

[(1, 257853960), (2, 128926980), (3, 85951320), (4, 64463490), (5, 51570792), (6, 42975660), (7, 36836280), (8, 32231745), (9, 28650440), (10, 25785396), (12, 21487830), (13, 19834920), (14, 18418140), (15, 17190264), (17, 15167880), (18, 14325220), (20, 12892698), (21, 12278760), (24, 10743915), (26, 9917460), (28, 9209070), (30, 8595132), (34, 7583940), (35, 7367256), (36, 7162610), (39, 6611640), (40, 6446349), (42, 6139380), (45, 5730088), (51, 5055960), (52, 4958730), (56, 4604535), (60, 4297566), (63, 4092920), (65, 3966984), (68, 3791970), (70, 3683628), (72, 3581305), (78, 3305820), (84, 3069690), (85, 3033576), (90, 2865044), (91, 2833560), (102, 2527980), (104, 2479365), (105, 2455752), (117, 2203880), (119, 2166840), (120, 2148783), (126, 2046460), (130, 1983492), (136, 1895985), (140, 1841814), (153, 1685320), (156, 1652910), (168, 1534845), (170, 1516788), (180, 1432522), (182, 1416780), (195, 1322328), (204, 1263990), (210, 1227876), (221, 1166760), (234, 1101940), (238, 1083420), (252, 1023230), (255, 1011192), (260, 991746), (273, 944520), (280, 920907), (306, 842660), (312, 826455), (315, 818584), (340, 758394), (357, 722280), (360, 716261), (364, 708390), (390, 661164), (408, 631995), (420, 613938), (442, 583380), (455, 566712), (463, 556920), (468, 550970), (476, 541710), (504, 511615), (510, 505596), (520, 495873), (546, 472260), (585, 440776), (595, 433368), (612, 421330), (630, 409292), (663, 388920), (680, 379197), (714, 361140), (728, 354195), (765, 337064), (780, 330582), (819, 314840), (840, 306969), (884, 291690), (910, 283356), (926, 278460), (936, 275485), (952, 270855), (1020, 252798), (1071, 240760), (1092, 236130), (1105, 233352), (1170, 220388), (1190, 216684), (1224, 210665), (1260, 204646), (1326, 194460), (1365, 188904), (1389, 185640), (1428, 180570), (1530, 168532), (1547, 166680), (1560, 165291), (1638, 157420), (1768, 145845), (1785, 144456), (1820, 141678), (1852, 139230), (1989, 129640), (2040, 126399), (2142, 120380), (2184, 118065), (2210, 116676), (2315, 111384), (2340, 110194), (2380, 108342), (2520, 102323), (2652, 97230), (2730, 94452), (2778, 92820), (2856, 90285), (3060, 84266), (3094, 83340), (3241, 79560), (3276, 78710), (3315, 77784), (3570, 72228), (3640, 70839), (3704, 69615), (3978, 64820), (4095, 62968), (4167, 61880), (4284, 60190), (4420, 58338), (4630, 55692), (4641, 55560), (4680, 55097), (4760, 54171), (5304, 48615), (5355, 48152), (5460, 47226), (5556, 46410), (6019, 42840), (6120, 42133), (6188, 41670), (6482, 39780), (6552, 39355), (6630, 38892), (6945, 37128), (7140, 36114), (7735, 33336), (7871, 32760), (7956, 32410), (8190, 31484), (8334, 30940), (8568, 30095), (8840, 29169), (9260, 27846), (9282, 27780), (9723, 26520), (9945, 25928), (10710, 24076), (10920, 23613), (11112, 23205), (12038, 21420), (12376, 20835), (12964, 19890), (13260, 19446), (13890, 18564), (13923, 18520), (14280, 18057), (15470, 16668), (15742, 16380), (15912, 16205)]