15221440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3659}}^1$

素因数の和:3689

約数の個数: 56

約数和(自身を含む): 39044880

約数和(自身を除く): 23823440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3659, 4160, 7318, 14636, 18295, 29272, 36590, 47567, 58544, 73180, 95134, 117088, 146360, 190268, 234176, 237835, 292720, 380536, 475670, 585440, 761072, 951340, 1170880, 1522144, 1902680, 3044288, 3805360, 7610720, 15221440]

約数ペア:

[(1, 15221440), (2, 7610720), (4, 3805360), (5, 3044288), (8, 1902680), (10, 1522144), (13, 1170880), (16, 951340), (20, 761072), (26, 585440), (32, 475670), (40, 380536), (52, 292720), (64, 237835), (65, 234176), (80, 190268), (104, 146360), (130, 117088), (160, 95134), (208, 73180), (260, 58544), (320, 47567), (416, 36590), (520, 29272), (832, 18295), (1040, 14636), (2080, 7318), (3659, 4160)]