72280120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2693}}^1$

素因数の和:2776

約数の個数: 64

約数和(自身を含む): 180390240

約数和(自身を除く): 108110120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 2693, 3355, 5368, 5386, 6710, 10772, 13420, 13465, 21544, 26840, 26930, 29623, 53860, 59246, 107720, 118492, 148115, 164273, 236984, 296230, 328546, 592460, 657092, 821365, 1184920, 1314184, 1642730, 1807003, 3285460, 3614006, 6570920, 7228012, 9035015, 14456024, 18070030, 36140060, 72280120]

約数ペア:

[(1, 72280120), (2, 36140060), (4, 18070030), (5, 14456024), (8, 9035015), (10, 7228012), (11, 6570920), (20, 3614006), (22, 3285460), (40, 1807003), (44, 1642730), (55, 1314184), (61, 1184920), (88, 821365), (110, 657092), (122, 592460), (220, 328546), (244, 296230), (305, 236984), (440, 164273), (488, 148115), (610, 118492), (671, 107720), (1220, 59246), (1342, 53860), (2440, 29623), (2684, 26930), (2693, 26840), (3355, 21544), (5368, 13465), (5386, 13420), (6710, 10772)]