1398393840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79817}}^1$

素因数の和:79906

約数の個数: 80

約数和(自身を含む): 4394459808

約数和(自身を除く): 2996065968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 79817, 159634, 239451, 319268, 399085, 478902, 638536, 798170, 957804, 1197255, 1277072, 1596340, 1915608, 2394510, 3192680, 3831216, 4789020, 5826641, 6385360, 9578040, 11653282, 17479923, 19156080, 23306564, 29133205, 34959846, 46613128, 58266410, 69919692, 87399615, 93226256, 116532820, 139839384, 174799230, 233065640, 279678768, 349598460, 466131280, 699196920, 1398393840]

約数ペア:

[(1, 1398393840), (2, 699196920), (3, 466131280), (4, 349598460), (5, 279678768), (6, 233065640), (8, 174799230), (10, 139839384), (12, 116532820), (15, 93226256), (16, 87399615), (20, 69919692), (24, 58266410), (30, 46613128), (40, 34959846), (48, 29133205), (60, 23306564), (73, 19156080), (80, 17479923), (120, 11653282), (146, 9578040), (219, 6385360), (240, 5826641), (292, 4789020), (365, 3831216), (438, 3192680), (584, 2394510), (730, 1915608), (876, 1596340), (1095, 1277072), (1168, 1197255), (1460, 957804), (1752, 798170), (2190, 638536), (2920, 478902), (3504, 399085), (4380, 319268), (5840, 239451), (8760, 159634), (17520, 79817)]