155405120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37357}}^1$

素因数の和:37387

約数の個数: 56

約数和(自身を含む): 398535144

約数和(自身を除く): 243130024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 37357, 74714, 149428, 186785, 298856, 373570, 485641, 597712, 747140, 971282, 1195424, 1494280, 1942564, 2390848, 2428205, 2988560, 3885128, 4856410, 5977120, 7770256, 9712820, 11954240, 15540512, 19425640, 31081024, 38851280, 77702560, 155405120]

約数ペア:

[(1, 155405120), (2, 77702560), (4, 38851280), (5, 31081024), (8, 19425640), (10, 15540512), (13, 11954240), (16, 9712820), (20, 7770256), (26, 5977120), (32, 4856410), (40, 3885128), (52, 2988560), (64, 2428205), (65, 2390848), (80, 1942564), (104, 1494280), (130, 1195424), (160, 971282), (208, 747140), (260, 597712), (320, 485641), (416, 373570), (520, 298856), (832, 186785), (1040, 149428), (2080, 74714), (4160, 37357)]