1781297520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{6803}}^1$

素因数の和:7910

約数の個数: 80

約数和(自身を含む): 5527896192

約数和(自身を除く): 3746598672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1091, 2182, 3273, 4364, 5455, 6546, 6803, 8728, 10910, 13092, 13606, 16365, 17456, 20409, 21820, 26184, 27212, 32730, 34015, 40818, 43640, 52368, 54424, 65460, 68030, 81636, 87280, 102045, 108848, 130920, 136060, 163272, 204090, 261840, 272120, 326544, 408180, 544240, 816360, 1632720, 7422073, 14844146, 22266219, 29688292, 37110365, 44532438, 59376584, 74220730, 89064876, 111331095, 118753168, 148441460, 178129752, 222662190, 296882920, 356259504, 445324380, 593765840, 890648760, 1781297520]

約数ペア:

[(1, 1781297520), (2, 890648760), (3, 593765840), (4, 445324380), (5, 356259504), (6, 296882920), (8, 222662190), (10, 178129752), (12, 148441460), (15, 118753168), (16, 111331095), (20, 89064876), (24, 74220730), (30, 59376584), (40, 44532438), (48, 37110365), (60, 29688292), (80, 22266219), (120, 14844146), (240, 7422073), (1091, 1632720), (2182, 816360), (3273, 544240), (4364, 408180), (5455, 326544), (6546, 272120), (6803, 261840), (8728, 204090), (10910, 163272), (13092, 136060), (13606, 130920), (16365, 108848), (17456, 102045), (20409, 87280), (21820, 81636), (26184, 68030), (27212, 65460), (32730, 54424), (34015, 52368), (40818, 43640)]