63553980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21617}}^1$

素因数の和:21643

約数の個数: 72

約数和(自身を含む): 207013968

約数和(自身を除く): 143459988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 21617, 43234, 64851, 86468, 108085, 129702, 151319, 216170, 259404, 302638, 324255, 432340, 453957, 605276, 648510, 756595, 907914, 1059233, 1297020, 1513190, 1815828, 2118466, 2269785, 3026380, 3177699, 4236932, 4539570, 5296165, 6355398, 9079140, 10592330, 12710796, 15888495, 21184660, 31776990, 63553980]

約数ペア:

[(1, 63553980), (2, 31776990), (3, 21184660), (4, 15888495), (5, 12710796), (6, 10592330), (7, 9079140), (10, 6355398), (12, 5296165), (14, 4539570), (15, 4236932), (20, 3177699), (21, 3026380), (28, 2269785), (30, 2118466), (35, 1815828), (42, 1513190), (49, 1297020), (60, 1059233), (70, 907914), (84, 756595), (98, 648510), (105, 605276), (140, 453957), (147, 432340), (196, 324255), (210, 302638), (245, 259404), (294, 216170), (420, 151319), (490, 129702), (588, 108085), (735, 86468), (980, 64851), (1470, 43234), (2940, 21617)]