161978280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6053}}^1$

素因数の和:6290

約数の個数: 64

約数和(自身を含む): 488194560

約数和(自身を除く): 326216280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 5352, 6053, 6690, 8920, 12106, 13380, 18159, 24212, 26760, 30265, 36318, 48424, 60530, 72636, 90795, 121060, 145272, 181590, 242120, 363180, 726360, 1349819, 2699638, 4049457, 5399276, 6749095, 8098914, 10798552, 13498190, 16197828, 20247285, 26996380, 32395656, 40494570, 53992760, 80989140, 161978280]

約数ペア:

[(1, 161978280), (2, 80989140), (3, 53992760), (4, 40494570), (5, 32395656), (6, 26996380), (8, 20247285), (10, 16197828), (12, 13498190), (15, 10798552), (20, 8098914), (24, 6749095), (30, 5399276), (40, 4049457), (60, 2699638), (120, 1349819), (223, 726360), (446, 363180), (669, 242120), (892, 181590), (1115, 145272), (1338, 121060), (1784, 90795), (2230, 72636), (2676, 60530), (3345, 48424), (4460, 36318), (5352, 30265), (6053, 26760), (6690, 24212), (8920, 18159), (12106, 13380)]