66827320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7699}}^1$

素因数の和:7748

約数の個数: 64

約数和(自身を含む): 177408000

約数和(自身を除く): 110580680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 7699, 8680, 15398, 30796, 38495, 53893, 61592, 76990, 107786, 153980, 215572, 238669, 269465, 307960, 431144, 477338, 538930, 954676, 1077860, 1193345, 1670683, 1909352, 2155720, 2386690, 3341366, 4773380, 6682732, 8353415, 9546760, 13365464, 16706830, 33413660, 66827320]

約数ペア:

[(1, 66827320), (2, 33413660), (4, 16706830), (5, 13365464), (7, 9546760), (8, 8353415), (10, 6682732), (14, 4773380), (20, 3341366), (28, 2386690), (31, 2155720), (35, 1909352), (40, 1670683), (56, 1193345), (62, 1077860), (70, 954676), (124, 538930), (140, 477338), (155, 431144), (217, 307960), (248, 269465), (280, 238669), (310, 215572), (434, 153980), (620, 107786), (868, 76990), (1085, 61592), (1240, 53893), (1736, 38495), (2170, 30796), (4340, 15398), (7699, 8680)]