72657405

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 140977584

約数和(自身を除く): 68320179

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 81, 85, 135, 153, 173, 183, 255, 305, 405, 459, 519, 549, 765, 865, 915, 1037, 1377, 1557, 1647, 2295, 2595, 2745, 2941, 3111, 4671, 4941, 5185, 6885, 7785, 8235, 8823, 9333, 10553, 14013, 14705, 15555, 23355, 24705, 26469, 27999, 31659, 44115, 46665, 52765, 70065, 79407, 83997, 94977, 132345, 139995, 158295, 179401, 238221, 284931, 397035, 419985, 474885, 538203, 854793, 897005, 1191105, 1424655, 1614609, 2691015, 4273965, 4843827, 8073045, 14531481, 24219135, 72657405]

約数ペア:

[(1, 72657405), (3, 24219135), (5, 14531481), (9, 8073045), (15, 4843827), (17, 4273965), (27, 2691015), (45, 1614609), (51, 1424655), (61, 1191105), (81, 897005), (85, 854793), (135, 538203), (153, 474885), (173, 419985), (183, 397035), (255, 284931), (305, 238221), (405, 179401), (459, 158295), (519, 139995), (549, 132345), (765, 94977), (865, 83997), (915, 79407), (1037, 70065), (1377, 52765), (1557, 46665), (1647, 44115), (2295, 31659), (2595, 27999), (2745, 26469), (2941, 24705), (3111, 23355), (4671, 15555), (4941, 14705), (5185, 14013), (6885, 10553), (7785, 9333), (8235, 8823)]