245404920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 756138240

約数和(自身を除く): 510733320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 131, 134, 201, 233, 262, 268, 335, 393, 402, 466, 524, 536, 655, 670, 699, 786, 804, 932, 1005, 1048, 1165, 1310, 1340, 1398, 1572, 1608, 1864, 1965, 2010, 2330, 2620, 2680, 2796, 3144, 3495, 3930, 4020, 4660, 5240, 5592, 6990, 7860, 8040, 8777, 9320, 13980, 15611, 15720, 17554, 26331, 27960, 30523, 31222, 35108, 43885, 46833, 52662, 61046, 62444, 70216, 78055, 87770, 91569, 93666, 105324, 122092, 124888, 131655, 152615, 156110, 175540, 183138, 187332, 210648, 234165, 244184, 263310, 305230, 312220, 351080, 366276, 374664, 457845, 468330, 526620, 610460, 624440, 732552, 915690, 936660, 1053240, 1220920, 1831380, 1873320, 2045041, 3662760, 4090082, 6135123, 8180164, 10225205, 12270246, 16360328, 20450410, 24540492, 30675615, 40900820, 49080984, 61351230, 81801640, 122702460, 245404920]

約数ペア:

[(1, 245404920), (2, 122702460), (3, 81801640), (4, 61351230), (5, 49080984), (6, 40900820), (8, 30675615), (10, 24540492), (12, 20450410), (15, 16360328), (20, 12270246), (24, 10225205), (30, 8180164), (40, 6135123), (60, 4090082), (67, 3662760), (120, 2045041), (131, 1873320), (134, 1831380), (201, 1220920), (233, 1053240), (262, 936660), (268, 915690), (335, 732552), (393, 624440), (402, 610460), (466, 526620), (524, 468330), (536, 457845), (655, 374664), (670, 366276), (699, 351080), (786, 312220), (804, 305230), (932, 263310), (1005, 244184), (1048, 234165), (1165, 210648), (1310, 187332), (1340, 183138), (1398, 175540), (1572, 156110), (1608, 152615), (1864, 131655), (1965, 124888), (2010, 122092), (2330, 105324), (2620, 93666), (2680, 91569), (2796, 87770), (3144, 78055), (3495, 70216), (3930, 62444), (4020, 61046), (4660, 52662), (5240, 46833), (5592, 43885), (6990, 35108), (7860, 31222), (8040, 30523), (8777, 27960), (9320, 26331), (13980, 17554), (15611, 15720)]