78601920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2058

約数の個数: 112

約数和(自身を含む): 255775968

約数和(自身を除く): 177174048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 160, 164, 192, 205, 240, 246, 320, 328, 410, 480, 492, 615, 656, 820, 960, 984, 1230, 1312, 1640, 1968, 1997, 2460, 2624, 3280, 3936, 3994, 4920, 5991, 6560, 7872, 7988, 9840, 9985, 11982, 13120, 15976, 19680, 19970, 23964, 29955, 31952, 39360, 39940, 47928, 59910, 63904, 79880, 81877, 95856, 119820, 127808, 159760, 163754, 191712, 239640, 245631, 319520, 327508, 383424, 409385, 479280, 491262, 639040, 655016, 818770, 958560, 982524, 1228155, 1310032, 1637540, 1917120, 1965048, 2456310, 2620064, 3275080, 3930096, 4912620, 5240128, 6550160, 7860192, 9825240, 13100320, 15720384, 19650480, 26200640, 39300960, 78601920]

約数ペア:

[(1, 78601920), (2, 39300960), (3, 26200640), (4, 19650480), (5, 15720384), (6, 13100320), (8, 9825240), (10, 7860192), (12, 6550160), (15, 5240128), (16, 4912620), (20, 3930096), (24, 3275080), (30, 2620064), (32, 2456310), (40, 1965048), (41, 1917120), (48, 1637540), (60, 1310032), (64, 1228155), (80, 982524), (82, 958560), (96, 818770), (120, 655016), (123, 639040), (160, 491262), (164, 479280), (192, 409385), (205, 383424), (240, 327508), (246, 319520), (320, 245631), (328, 239640), (410, 191712), (480, 163754), (492, 159760), (615, 127808), (656, 119820), (820, 95856), (960, 81877), (984, 79880), (1230, 63904), (1312, 59910), (1640, 47928), (1968, 39940), (1997, 39360), (2460, 31952), (2624, 29955), (3280, 23964), (3936, 19970), (3994, 19680), (4920, 15976), (5991, 13120), (6560, 11982), (7872, 9985), (7988, 9840)]