67993740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{757}}^1$

素因数の和:1271

約数の個数: 72

約数和(自身を含む): 206934000

約数和(自身を除く): 138940260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 757, 998, 1497, 1514, 1996, 2271, 2495, 2994, 3028, 3785, 4491, 4542, 4990, 5988, 6813, 7485, 7570, 8982, 9084, 9980, 11355, 13626, 14970, 15140, 17964, 22455, 22710, 27252, 29940, 34065, 44910, 45420, 68130, 89820, 136260, 377743, 755486, 1133229, 1510972, 1888715, 2266458, 3399687, 3777430, 4532916, 5666145, 6799374, 7554860, 11332290, 13598748, 16998435, 22664580, 33996870, 67993740]

約数ペア:

[(1, 67993740), (2, 33996870), (3, 22664580), (4, 16998435), (5, 13598748), (6, 11332290), (9, 7554860), (10, 6799374), (12, 5666145), (15, 4532916), (18, 3777430), (20, 3399687), (30, 2266458), (36, 1888715), (45, 1510972), (60, 1133229), (90, 755486), (180, 377743), (499, 136260), (757, 89820), (998, 68130), (1497, 45420), (1514, 44910), (1996, 34065), (2271, 29940), (2495, 27252), (2994, 22710), (3028, 22455), (3785, 17964), (4491, 15140), (4542, 14970), (4990, 13626), (5988, 11355), (6813, 9980), (7485, 9084), (7570, 8982)]