64884900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{691}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 188605984

約数和(自身を除く): 123721084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 313, 626, 691, 939, 1252, 1382, 1565, 1878, 2073, 2764, 3130, 3455, 3756, 4146, 4695, 6260, 6910, 7825, 8292, 9390, 10365, 13820, 15650, 17275, 18780, 20730, 23475, 31300, 34550, 41460, 46950, 51825, 69100, 93900, 103650, 207300, 216283, 432566, 648849, 865132, 1081415, 1297698, 2162830, 2595396, 3244245, 4325660, 5407075, 6488490, 10814150, 12976980, 16221225, 21628300, 32442450, 64884900]

約数ペア:

[(1, 64884900), (2, 32442450), (3, 21628300), (4, 16221225), (5, 12976980), (6, 10814150), (10, 6488490), (12, 5407075), (15, 4325660), (20, 3244245), (25, 2595396), (30, 2162830), (50, 1297698), (60, 1081415), (75, 865132), (100, 648849), (150, 432566), (300, 216283), (313, 207300), (626, 103650), (691, 93900), (939, 69100), (1252, 51825), (1382, 46950), (1565, 41460), (1878, 34550), (2073, 31300), (2764, 23475), (3130, 20730), (3455, 18780), (3756, 17275), (4146, 15650), (4695, 13820), (6260, 10365), (6910, 9390), (7825, 8292)]