15038720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 37282560

約数和(自身を除く): 22243840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 379, 496, 620, 640, 758, 992, 1240, 1280, 1516, 1895, 1984, 2480, 3032, 3790, 3968, 4960, 6064, 7580, 7936, 9920, 11749, 12128, 15160, 19840, 23498, 24256, 30320, 39680, 46996, 48512, 58745, 60640, 93992, 97024, 117490, 121280, 187984, 234980, 242560, 375968, 469960, 485120, 751936, 939920, 1503872, 1879840, 3007744, 3759680, 7519360, 15038720]

約数ペア:

[(1, 15038720), (2, 7519360), (4, 3759680), (5, 3007744), (8, 1879840), (10, 1503872), (16, 939920), (20, 751936), (31, 485120), (32, 469960), (40, 375968), (62, 242560), (64, 234980), (80, 187984), (124, 121280), (128, 117490), (155, 97024), (160, 93992), (248, 60640), (256, 58745), (310, 48512), (320, 46996), (379, 39680), (496, 30320), (620, 24256), (640, 23498), (758, 19840), (992, 15160), (1240, 12128), (1280, 11749), (1516, 9920), (1895, 7936), (1984, 7580), (2480, 6064), (3032, 4960), (3790, 3968)]