40128720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4519}}^1$

素因数の和:4572

約数の個数: 80

約数和(自身を含む): 127789440

約数和(自身を除く): 87660720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 4519, 8880, 9038, 13557, 18076, 22595, 27114, 36152, 45190, 54228, 67785, 72304, 90380, 108456, 135570, 167203, 180760, 216912, 271140, 334406, 361520, 501609, 542280, 668812, 836015, 1003218, 1084560, 1337624, 1672030, 2006436, 2508045, 2675248, 3344060, 4012872, 5016090, 6688120, 8025744, 10032180, 13376240, 20064360, 40128720]

約数ペア:

[(1, 40128720), (2, 20064360), (3, 13376240), (4, 10032180), (5, 8025744), (6, 6688120), (8, 5016090), (10, 4012872), (12, 3344060), (15, 2675248), (16, 2508045), (20, 2006436), (24, 1672030), (30, 1337624), (37, 1084560), (40, 1003218), (48, 836015), (60, 668812), (74, 542280), (80, 501609), (111, 361520), (120, 334406), (148, 271140), (185, 216912), (222, 180760), (240, 167203), (296, 135570), (370, 108456), (444, 90380), (555, 72304), (592, 67785), (740, 54228), (888, 45190), (1110, 36152), (1480, 27114), (1776, 22595), (2220, 18076), (2960, 13557), (4440, 9038), (4519, 8880)]