287008680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 256

約数和(自身を含む): 1059840000

約数和(自身を除く): 772831320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 343, 367, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 686, 734, 735, 760, 798, 840, 931, 980, 1029, 1064, 1101, 1140, 1176, 1330, 1372, 1468, 1470, 1596, 1715, 1835, 1862, 1960, 1995, 2058, 2202, 2280, 2569, 2660, 2744, 2793, 2936, 2940, 3192, 3430, 3670, 3724, 3990, 4116, 4404, 4655, 5138, 5145, 5320, 5505, 5586, 5880, 6517, 6860, 6973, 7340, 7448, 7707, 7980, 8232, 8808, 9310, 10276, 10290, 11010, 11172, 12845, 13034, 13720, 13946, 13965, 14680, 15414, 15960, 17983, 18620, 19551, 20552, 20580, 20919, 22020, 22344, 25690, 26068, 27892, 27930, 30828, 32585, 34865, 35966, 37240, 38535, 39102, 41160, 41838, 44040, 48811, 51380, 52136, 53949, 55784, 55860, 61656, 65170, 69730, 71932, 77070, 78204, 83676, 89915, 97622, 97755, 102760, 104595, 107898, 111720, 125881, 130340, 139460, 143864, 146433, 154140, 156408, 167352, 179830, 195244, 195510, 209190, 215796, 244055, 251762, 260680, 269745, 278920, 292866, 308280, 341677, 359660, 377643, 390488, 391020, 418380, 431592, 488110, 503524, 539490, 585732, 629405, 683354, 719320, 732165, 755286, 782040, 836760, 976220, 1007048, 1025031, 1078980, 1171464, 1258810, 1366708, 1464330, 1510572, 1708385, 1888215, 1952440, 2050062, 2157960, 2391739, 2517620, 2733416, 2928660, 3021144, 3416770, 3776430, 4100124, 4783478, 5035240, 5125155, 5857320, 6833540, 7175217, 7552860, 8200248, 9566956, 10250310, 11958695, 13667080, 14350434, 15105720, 19133912, 20500620, 23917390, 28700868, 35876085, 41001240, 47834780, 57401736, 71752170, 95669560, 143504340, 287008680]

約数ペア:

[(1, 287008680), (2, 143504340), (3, 95669560), (4, 71752170), (5, 57401736), (6, 47834780), (7, 41001240), (8, 35876085), (10, 28700868), (12, 23917390), (14, 20500620), (15, 19133912), (19, 15105720), (20, 14350434), (21, 13667080), (24, 11958695), (28, 10250310), (30, 9566956), (35, 8200248), (38, 7552860), (40, 7175217), (42, 6833540), (49, 5857320), (56, 5125155), (57, 5035240), (60, 4783478), (70, 4100124), (76, 3776430), (84, 3416770), (95, 3021144), (98, 2928660), (105, 2733416), (114, 2517620), (120, 2391739), (133, 2157960), (140, 2050062), (147, 1952440), (152, 1888215), (168, 1708385), (190, 1510572), (196, 1464330), (210, 1366708), (228, 1258810), (245, 1171464), (266, 1078980), (280, 1025031), (285, 1007048), (294, 976220), (343, 836760), (367, 782040), (380, 755286), (392, 732165), (399, 719320), (420, 683354), (456, 629405), (490, 585732), (532, 539490), (570, 503524), (588, 488110), (665, 431592), (686, 418380), (734, 391020), (735, 390488), (760, 377643), (798, 359660), (840, 341677), (931, 308280), (980, 292866), (1029, 278920), (1064, 269745), (1101, 260680), (1140, 251762), (1176, 244055), (1330, 215796), (1372, 209190), (1468, 195510), (1470, 195244), (1596, 179830), (1715, 167352), (1835, 156408), (1862, 154140), (1960, 146433), (1995, 143864), (2058, 139460), (2202, 130340), (2280, 125881), (2569, 111720), (2660, 107898), (2744, 104595), (2793, 102760), (2936, 97755), (2940, 97622), (3192, 89915), (3430, 83676), (3670, 78204), (3724, 77070), (3990, 71932), (4116, 69730), (4404, 65170), (4655, 61656), (5138, 55860), (5145, 55784), (5320, 53949), (5505, 52136), (5586, 51380), (5880, 48811), (6517, 44040), (6860, 41838), (6973, 41160), (7340, 39102), (7448, 38535), (7707, 37240), (7980, 35966), (8232, 34865), (8808, 32585), (9310, 30828), (10276, 27930), (10290, 27892), (11010, 26068), (11172, 25690), (12845, 22344), (13034, 22020), (13720, 20919), (13946, 20580), (13965, 20552), (14680, 19551), (15414, 18620), (15960, 17983)]