215748840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 680140800

約数和(自身を除く): 464391960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 59, 60, 62, 93, 118, 120, 124, 155, 177, 186, 236, 248, 295, 310, 354, 372, 465, 472, 590, 620, 708, 744, 885, 930, 983, 1180, 1240, 1416, 1770, 1829, 1860, 1966, 2360, 2949, 3540, 3658, 3720, 3932, 4915, 5487, 5898, 7080, 7316, 7864, 9145, 9830, 10974, 11796, 14632, 14745, 18290, 19660, 21948, 23592, 27435, 29490, 30473, 36580, 39320, 43896, 54870, 57997, 58980, 60946, 73160, 91419, 109740, 115994, 117960, 121892, 152365, 173991, 182838, 219480, 231988, 243784, 289985, 304730, 347982, 365676, 457095, 463976, 579970, 609460, 695964, 731352, 869955, 914190, 1159940, 1218920, 1391928, 1739910, 1797907, 1828380, 2319880, 3479820, 3595814, 3656760, 5393721, 6959640, 7191628, 8989535, 10787442, 14383256, 17979070, 21574884, 26968605, 35958140, 43149768, 53937210, 71916280, 107874420, 215748840]

約数ペア:

[(1, 215748840), (2, 107874420), (3, 71916280), (4, 53937210), (5, 43149768), (6, 35958140), (8, 26968605), (10, 21574884), (12, 17979070), (15, 14383256), (20, 10787442), (24, 8989535), (30, 7191628), (31, 6959640), (40, 5393721), (59, 3656760), (60, 3595814), (62, 3479820), (93, 2319880), (118, 1828380), (120, 1797907), (124, 1739910), (155, 1391928), (177, 1218920), (186, 1159940), (236, 914190), (248, 869955), (295, 731352), (310, 695964), (354, 609460), (372, 579970), (465, 463976), (472, 457095), (590, 365676), (620, 347982), (708, 304730), (744, 289985), (885, 243784), (930, 231988), (983, 219480), (1180, 182838), (1240, 173991), (1416, 152365), (1770, 121892), (1829, 117960), (1860, 115994), (1966, 109740), (2360, 91419), (2949, 73160), (3540, 60946), (3658, 58980), (3720, 57997), (3932, 54870), (4915, 43896), (5487, 39320), (5898, 36580), (7080, 30473), (7316, 29490), (7864, 27435), (9145, 23592), (9830, 21948), (10974, 19660), (11796, 18290), (14632, 14745)]