72235920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{613}}^1$

素因数の和:1120

約数の個数: 80

約数和(自身を含む): 224753472

約数和(自身を除く): 152517552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 613, 982, 1226, 1473, 1839, 1964, 2452, 2455, 2946, 3065, 3678, 3928, 4904, 4910, 5892, 6130, 7356, 7365, 7856, 9195, 9808, 9820, 11784, 12260, 14712, 14730, 18390, 19640, 23568, 24520, 29424, 29460, 36780, 39280, 49040, 58920, 73560, 117840, 147120, 300983, 601966, 902949, 1203932, 1504915, 1805898, 2407864, 3009830, 3611796, 4514745, 4815728, 6019660, 7223592, 9029490, 12039320, 14447184, 18058980, 24078640, 36117960, 72235920]

約数ペア:

[(1, 72235920), (2, 36117960), (3, 24078640), (4, 18058980), (5, 14447184), (6, 12039320), (8, 9029490), (10, 7223592), (12, 6019660), (15, 4815728), (16, 4514745), (20, 3611796), (24, 3009830), (30, 2407864), (40, 1805898), (48, 1504915), (60, 1203932), (80, 902949), (120, 601966), (240, 300983), (491, 147120), (613, 117840), (982, 73560), (1226, 58920), (1473, 49040), (1839, 39280), (1964, 36780), (2452, 29460), (2455, 29424), (2946, 24520), (3065, 23568), (3678, 19640), (3928, 18390), (4904, 14730), (4910, 14712), (5892, 12260), (6130, 11784), (7356, 9820), (7365, 9808), (7856, 9195)]