123149240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 288731520

約数和(自身を除く): 165582280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1231, 1640, 2440, 2462, 2501, 4924, 5002, 6155, 9848, 10004, 12310, 12505, 20008, 24620, 25010, 49240, 50020, 50471, 75091, 100040, 100942, 150182, 201884, 252355, 300364, 375455, 403768, 504710, 600728, 750910, 1009420, 1501820, 2018840, 3003640, 3078731, 6157462, 12314924, 15393655, 24629848, 30787310, 61574620, 123149240]

約数ペア:

[(1, 123149240), (2, 61574620), (4, 30787310), (5, 24629848), (8, 15393655), (10, 12314924), (20, 6157462), (40, 3078731), (41, 3003640), (61, 2018840), (82, 1501820), (122, 1009420), (164, 750910), (205, 600728), (244, 504710), (305, 403768), (328, 375455), (410, 300364), (488, 252355), (610, 201884), (820, 150182), (1220, 100942), (1231, 100040), (1640, 75091), (2440, 50471), (2462, 50020), (2501, 49240), (4924, 25010), (5002, 24620), (6155, 20008), (9848, 12505), (10004, 12310)]