66712880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2838

約数の個数: 80

約数和(自身を含む): 174363840

約数和(自身を除く): 107650960

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, 2789, 2990, 4784, 5578, 5980, 11156, 11960, 13945, 22312, 23920, 27890, 36257, 44624, 55780, 64147, 72514, 111560, 128294, 145028, 181285, 223120, 256588, 290056, 320735, 362570, 513176, 580112, 641470, 725140, 833911, 1026352, 1282940, 1450280, 1667822, 2565880, 2900560, 3335644, 4169555, 5131760, 6671288, 8339110, 13342576, 16678220, 33356440, 66712880]

約数ペア:

[(1, 66712880), (2, 33356440), (4, 16678220), (5, 13342576), (8, 8339110), (10, 6671288), (13, 5131760), (16, 4169555), (20, 3335644), (23, 2900560), (26, 2565880), (40, 1667822), (46, 1450280), (52, 1282940), (65, 1026352), (80, 833911), (92, 725140), (104, 641470), (115, 580112), (130, 513176), (184, 362570), (208, 320735), (230, 290056), (260, 256588), (299, 223120), (368, 181285), (460, 145028), (520, 128294), (598, 111560), (920, 72514), (1040, 64147), (1196, 55780), (1495, 44624), (1840, 36257), (2392, 27890), (2789, 23920), (2990, 22312), (4784, 13945), (5578, 11960), (5980, 11156)]