45107720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2358

約数の個数: 64

約数和(自身を含む): 117676800

約数和(自身を除く): 72569080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2269, 2485, 2840, 3976, 4538, 4970, 9076, 9940, 11345, 15883, 18152, 19880, 22690, 31766, 45380, 63532, 79415, 90760, 127064, 158830, 161099, 317660, 322198, 635320, 644396, 805495, 1127693, 1288792, 1610990, 2255386, 3221980, 4510772, 5638465, 6443960, 9021544, 11276930, 22553860, 45107720]

約数ペア:

[(1, 45107720), (2, 22553860), (4, 11276930), (5, 9021544), (7, 6443960), (8, 5638465), (10, 4510772), (14, 3221980), (20, 2255386), (28, 1610990), (35, 1288792), (40, 1127693), (56, 805495), (70, 644396), (71, 635320), (140, 322198), (142, 317660), (280, 161099), (284, 158830), (355, 127064), (497, 90760), (568, 79415), (710, 63532), (994, 45380), (1420, 31766), (1988, 22690), (2269, 19880), (2485, 18152), (2840, 15883), (3976, 11345), (4538, 9940), (4970, 9076)]