289647280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12109}}^1$

素因数の和:12158

約数の個数: 80

約数和(自身を含む): 756826560

約数和(自身を除く): 467179280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 12109, 23920, 24218, 48436, 60545, 96872, 121090, 157417, 193744, 242180, 278507, 314834, 484360, 557014, 629668, 787085, 968720, 1114028, 1259336, 1392535, 1574170, 2228056, 2518672, 2785070, 3148340, 3620591, 4456112, 5570140, 6296680, 7241182, 11140280, 12593360, 14482364, 18102955, 22280560, 28964728, 36205910, 57929456, 72411820, 144823640, 289647280]

約数ペア:

[(1, 289647280), (2, 144823640), (4, 72411820), (5, 57929456), (8, 36205910), (10, 28964728), (13, 22280560), (16, 18102955), (20, 14482364), (23, 12593360), (26, 11140280), (40, 7241182), (46, 6296680), (52, 5570140), (65, 4456112), (80, 3620591), (92, 3148340), (104, 2785070), (115, 2518672), (130, 2228056), (184, 1574170), (208, 1392535), (230, 1259336), (260, 1114028), (299, 968720), (368, 787085), (460, 629668), (520, 557014), (598, 484360), (920, 314834), (1040, 278507), (1196, 242180), (1495, 193744), (1840, 157417), (2392, 121090), (2990, 96872), (4784, 60545), (5980, 48436), (11960, 24218), (12109, 23920)]