15798220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 34771968

約数和(自身を除く): 18973748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 307, 310, 332, 415, 614, 620, 830, 1228, 1535, 1660, 2573, 3070, 5146, 6140, 9517, 10292, 12865, 19034, 25481, 25730, 38068, 47585, 50962, 51460, 95170, 101924, 127405, 190340, 254810, 509620, 789911, 1579822, 3159644, 3949555, 7899110, 15798220]

約数ペア:

[(1, 15798220), (2, 7899110), (4, 3949555), (5, 3159644), (10, 1579822), (20, 789911), (31, 509620), (62, 254810), (83, 190340), (124, 127405), (155, 101924), (166, 95170), (307, 51460), (310, 50962), (332, 47585), (415, 38068), (614, 25730), (620, 25481), (830, 19034), (1228, 12865), (1535, 10292), (1660, 9517), (2573, 6140), (3070, 5146)]