27727640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 37936360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 379, 472, 590, 620, 758, 1180, 1240, 1516, 1829, 1895, 2360, 3032, 3658, 3790, 7316, 7580, 9145, 11749, 14632, 15160, 18290, 22361, 23498, 36580, 44722, 46996, 58745, 73160, 89444, 93992, 111805, 117490, 178888, 223610, 234980, 447220, 469960, 693191, 894440, 1386382, 2772764, 3465955, 5545528, 6931910, 13863820, 27727640]

約数ペア:

[(1, 27727640), (2, 13863820), (4, 6931910), (5, 5545528), (8, 3465955), (10, 2772764), (20, 1386382), (31, 894440), (40, 693191), (59, 469960), (62, 447220), (118, 234980), (124, 223610), (155, 178888), (236, 117490), (248, 111805), (295, 93992), (310, 89444), (379, 73160), (472, 58745), (590, 46996), (620, 44722), (758, 36580), (1180, 23498), (1240, 22361), (1516, 18290), (1829, 15160), (1895, 14632), (2360, 11749), (3032, 9145), (3658, 7580), (3790, 7316)]