664431320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{44773}}^1$

素因数の和:44844

約数の個数: 64

約数和(自身を含む): 1740813120

約数和(自身を除く): 1076381800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 44773, 89546, 179092, 223865, 313411, 358184, 447730, 626822, 895460, 1253644, 1567055, 1790920, 2372969, 2507288, 3134110, 4745938, 6268220, 9491876, 11864845, 12536440, 16610783, 18983752, 23729690, 33221566, 47459380, 66443132, 83053915, 94918760, 132886264, 166107830, 332215660, 664431320]

約数ペア:

[(1, 664431320), (2, 332215660), (4, 166107830), (5, 132886264), (7, 94918760), (8, 83053915), (10, 66443132), (14, 47459380), (20, 33221566), (28, 23729690), (35, 18983752), (40, 16610783), (53, 12536440), (56, 11864845), (70, 9491876), (106, 6268220), (140, 4745938), (212, 3134110), (265, 2507288), (280, 2372969), (371, 1790920), (424, 1567055), (530, 1253644), (742, 895460), (1060, 626822), (1484, 447730), (1855, 358184), (2120, 313411), (2968, 223865), (3710, 179092), (7420, 89546), (14840, 44773)]