247742040

素因数分解:

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

素因数の和:511

約数の個数: 256

約数和(自身を含む): 935424000

約数和(自身を除く): 687681960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 343, 364, 390, 392, 420, 455, 463, 490, 520, 546, 588, 637, 686, 728, 735, 780, 840, 910, 926, 980, 1029, 1092, 1176, 1274, 1365, 1372, 1389, 1470, 1560, 1715, 1820, 1852, 1911, 1960, 2058, 2184, 2315, 2548, 2730, 2744, 2778, 2940, 3185, 3241, 3430, 3640, 3704, 3822, 4116, 4459, 4630, 5096, 5145, 5460, 5556, 5880, 6019, 6370, 6482, 6860, 6945, 7644, 8232, 8918, 9260, 9555, 9723, 10290, 10920, 11112, 12038, 12740, 12964, 13377, 13720, 13890, 15288, 16205, 17836, 18057, 18520, 19110, 19446, 20580, 22295, 22687, 24076, 25480, 25928, 26754, 27780, 30095, 32410, 35672, 36114, 38220, 38892, 41160, 42133, 44590, 45374, 48152, 48615, 53508, 55560, 60190, 64820, 66885, 68061, 72228, 76440, 77784, 84266, 89180, 90285, 90748, 97230, 107016, 113435, 120380, 126399, 129640, 133770, 136122, 144456, 158809, 168532, 178360, 180570, 181496, 194460, 210665, 226870, 240760, 252798, 267540, 272244, 294931, 317618, 337064, 340305, 361140, 388920, 421330, 453740, 476427, 505596, 535080, 544488, 589862, 631995, 635236, 680610, 722280, 794045, 842660, 884793, 907480, 952854, 1011192, 1179724, 1263990, 1270472, 1361220, 1474655, 1588090, 1685320, 1769586, 1905708, 2064517, 2359448, 2382135, 2527980, 2722440, 2949310, 3176180, 3539172, 3811416, 4129034, 4423965, 4764270, 5055960, 5898620, 6193551, 6352360, 7078344, 8258068, 8847930, 9528540, 10322585, 11797240, 12387102, 16516136, 17695860, 19057080, 20645170, 24774204, 30967755, 35391720, 41290340, 49548408, 61935510, 82580680, 123871020, 247742040]

約数ペア:

[(1, 247742040), (2, 123871020), (3, 82580680), (4, 61935510), (5, 49548408), (6, 41290340), (7, 35391720), (8, 30967755), (10, 24774204), (12, 20645170), (13, 19057080), (14, 17695860), (15, 16516136), (20, 12387102), (21, 11797240), (24, 10322585), (26, 9528540), (28, 8847930), (30, 8258068), (35, 7078344), (39, 6352360), (40, 6193551), (42, 5898620), (49, 5055960), (52, 4764270), (56, 4423965), (60, 4129034), (65, 3811416), (70, 3539172), (78, 3176180), (84, 2949310), (91, 2722440), (98, 2527980), (104, 2382135), (105, 2359448), (120, 2064517), (130, 1905708), (140, 1769586), (147, 1685320), (156, 1588090), (168, 1474655), (182, 1361220), (195, 1270472), (196, 1263990), (210, 1179724), (245, 1011192), (260, 952854), (273, 907480), (280, 884793), (294, 842660), (312, 794045), (343, 722280), (364, 680610), (390, 635236), (392, 631995), (420, 589862), (455, 544488), (463, 535080), (490, 505596), (520, 476427), (546, 453740), (588, 421330), (637, 388920), (686, 361140), (728, 340305), (735, 337064), (780, 317618), (840, 294931), (910, 272244), (926, 267540), (980, 252798), (1029, 240760), (1092, 226870), (1176, 210665), (1274, 194460), (1365, 181496), (1372, 180570), (1389, 178360), (1470, 168532), (1560, 158809), (1715, 144456), (1820, 136122), (1852, 133770), (1911, 129640), (1960, 126399), (2058, 120380), (2184, 113435), (2315, 107016), (2548, 97230), (2730, 90748), (2744, 90285), (2778, 89180), (2940, 84266), (3185, 77784), (3241, 76440), (3430, 72228), (3640, 68061), (3704, 66885), (3822, 64820), (4116, 60190), (4459, 55560), (4630, 53508), (5096, 48615), (5145, 48152), (5460, 45374), (5556, 44590), (5880, 42133), (6019, 41160), (6370, 38892), (6482, 38220), (6860, 36114), (6945, 35672), (7644, 32410), (8232, 30095), (8918, 27780), (9260, 26754), (9555, 25928), (9723, 25480), (10290, 24076), (10920, 22687), (11112, 22295), (12038, 20580), (12740, 19446), (12964, 19110), (13377, 18520), (13720, 18057), (13890, 17836), (15288, 16205)]