181909520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10289}}^1$

素因数の和:10332

約数の個数: 80

約数和(自身を含む): 482312880

約数和(自身を除く): 300403360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 10289, 17680, 20578, 41156, 51445, 82312, 102890, 133757, 164624, 174913, 205780, 267514, 349826, 411560, 535028, 668785, 699652, 823120, 874565, 1070056, 1337570, 1399304, 1749130, 2140112, 2273869, 2675140, 2798608, 3498260, 4547738, 5350280, 6996520, 9095476, 10700560, 11369345, 13993040, 18190952, 22738690, 36381904, 45477380, 90954760, 181909520]

約数ペア:

[(1, 181909520), (2, 90954760), (4, 45477380), (5, 36381904), (8, 22738690), (10, 18190952), (13, 13993040), (16, 11369345), (17, 10700560), (20, 9095476), (26, 6996520), (34, 5350280), (40, 4547738), (52, 3498260), (65, 2798608), (68, 2675140), (80, 2273869), (85, 2140112), (104, 1749130), (130, 1399304), (136, 1337570), (170, 1070056), (208, 874565), (221, 823120), (260, 699652), (272, 668785), (340, 535028), (442, 411560), (520, 349826), (680, 267514), (884, 205780), (1040, 174913), (1105, 164624), (1360, 133757), (1768, 102890), (2210, 82312), (3536, 51445), (4420, 41156), (8840, 20578), (10289, 17680)]