15821240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 22669960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 593, 667, 920, 1160, 1186, 1334, 2372, 2668, 2965, 3335, 4744, 5336, 5930, 6670, 11860, 13340, 13639, 17197, 23720, 26680, 27278, 34394, 54556, 68195, 68788, 85985, 109112, 136390, 137576, 171970, 272780, 343940, 395531, 545560, 687880, 791062, 1582124, 1977655, 3164248, 3955310, 7910620, 15821240]

約数ペア:

[(1, 15821240), (2, 7910620), (4, 3955310), (5, 3164248), (8, 1977655), (10, 1582124), (20, 791062), (23, 687880), (29, 545560), (40, 395531), (46, 343940), (58, 272780), (92, 171970), (115, 137576), (116, 136390), (145, 109112), (184, 85985), (230, 68788), (232, 68195), (290, 54556), (460, 34394), (580, 27278), (593, 26680), (667, 23720), (920, 17197), (1160, 13639), (1186, 13340), (1334, 11860), (2372, 6670), (2668, 5930), (2965, 5336), (3335, 4744)]