1373320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 3528000

約数和(自身を除く): 2154680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 139, 152, 190, 247, 260, 278, 380, 494, 520, 556, 695, 760, 988, 1112, 1235, 1390, 1807, 1976, 2470, 2641, 2780, 3614, 4940, 5282, 5560, 7228, 9035, 9880, 10564, 13205, 14456, 18070, 21128, 26410, 34333, 36140, 52820, 68666, 72280, 105640, 137332, 171665, 274664, 343330, 686660, 1373320]

約数ペア:

[(1, 1373320), (2, 686660), (4, 343330), (5, 274664), (8, 171665), (10, 137332), (13, 105640), (19, 72280), (20, 68666), (26, 52820), (38, 36140), (40, 34333), (52, 26410), (65, 21128), (76, 18070), (95, 14456), (104, 13205), (130, 10564), (139, 9880), (152, 9035), (190, 7228), (247, 5560), (260, 5282), (278, 4940), (380, 3614), (494, 2780), (520, 2641), (556, 2470), (695, 1976), (760, 1807), (988, 1390), (1112, 1235)]