872702720

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18427}}^1$

素因数の和:18485

約数の個数: 72

約数和(自身を含む): 2147009424

約数和(自身を除く): 1274306704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 2368, 2960, 4736, 5920, 9472, 11840, 18427, 23680, 36854, 47360, 73708, 92135, 147416, 184270, 294832, 368540, 589664, 681799, 737080, 1179328, 1363598, 1474160, 2358656, 2727196, 2948320, 3408995, 4717312, 5454392, 5896640, 6817990, 10908784, 11793280, 13635980, 21817568, 23586560, 27271960, 43635136, 54543920, 87270272, 109087840, 174540544, 218175680, 436351360, 872702720]

約数ペア:

[(1, 872702720), (2, 436351360), (4, 218175680), (5, 174540544), (8, 109087840), (10, 87270272), (16, 54543920), (20, 43635136), (32, 27271960), (37, 23586560), (40, 21817568), (64, 13635980), (74, 11793280), (80, 10908784), (128, 6817990), (148, 5896640), (160, 5454392), (185, 4717312), (256, 3408995), (296, 2948320), (320, 2727196), (370, 2358656), (592, 1474160), (640, 1363598), (740, 1179328), (1184, 737080), (1280, 681799), (1480, 589664), (2368, 368540), (2960, 294832), (4736, 184270), (5920, 147416), (9472, 92135), (11840, 73708), (18427, 47360), (23680, 36854)]