15704501020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{21503}}^1$

素因数の和:21631

約数の個数: 72

約数和(自身を含む): 36200779776

約数和(自身を除く): 20496278756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 2809, 3445, 5618, 6890, 11236, 13780, 14045, 21503, 28090, 36517, 43006, 56180, 73034, 86012, 107515, 146068, 182585, 215030, 279539, 365170, 430060, 559078, 730340, 1118156, 1139659, 1397695, 2279318, 2795390, 4558636, 5590780, 5698295, 11396590, 14815567, 22793180, 29631134, 59262268, 60401927, 74077835, 120803854, 148155670, 241607708, 296311340, 302009635, 604019270, 785225051, 1208038540, 1570450102, 3140900204, 3926125255, 7852250510, 15704501020]

約数ペア:

[(1, 15704501020), (2, 7852250510), (4, 3926125255), (5, 3140900204), (10, 1570450102), (13, 1208038540), (20, 785225051), (26, 604019270), (52, 302009635), (53, 296311340), (65, 241607708), (106, 148155670), (130, 120803854), (212, 74077835), (260, 60401927), (265, 59262268), (530, 29631134), (689, 22793180), (1060, 14815567), (1378, 11396590), (2756, 5698295), (2809, 5590780), (3445, 4558636), (5618, 2795390), (6890, 2279318), (11236, 1397695), (13780, 1139659), (14045, 1118156), (21503, 730340), (28090, 559078), (36517, 430060), (43006, 365170), (56180, 279539), (73034, 215030), (86012, 182585), (107515, 146068)]