72881920

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 176675184

約数和(自身を除く): 103793264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 587, 640, 776, 970, 1174, 1280, 1552, 1940, 2348, 2935, 3104, 3880, 4696, 5870, 6208, 7760, 9392, 11740, 12416, 15520, 18784, 23480, 24832, 31040, 37568, 46960, 56939, 62080, 75136, 93920, 113878, 124160, 150272, 187840, 227756, 284695, 375680, 455512, 569390, 751360, 911024, 1138780, 1822048, 2277560, 3644096, 4555120, 7288192, 9110240, 14576384, 18220480, 36440960, 72881920]

約数ペア:

[(1, 72881920), (2, 36440960), (4, 18220480), (5, 14576384), (8, 9110240), (10, 7288192), (16, 4555120), (20, 3644096), (32, 2277560), (40, 1822048), (64, 1138780), (80, 911024), (97, 751360), (128, 569390), (160, 455512), (194, 375680), (256, 284695), (320, 227756), (388, 187840), (485, 150272), (587, 124160), (640, 113878), (776, 93920), (970, 75136), (1174, 62080), (1280, 56939), (1552, 46960), (1940, 37568), (2348, 31040), (2935, 24832), (3104, 23480), (3880, 18784), (4696, 15520), (5870, 12416), (6208, 11740), (7760, 9392)]