72513920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3955

約数の個数: 64

約数和(自身を含む): 179377200

約数和(自身を除く): 106863280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 3907, 4640, 7814, 9280, 15628, 18560, 19535, 31256, 39070, 62512, 78140, 113303, 125024, 156280, 226606, 250048, 312560, 453212, 500096, 566515, 625120, 906424, 1133030, 1250240, 1812848, 2266060, 2500480, 3625696, 4532120, 7251392, 9064240, 14502784, 18128480, 36256960, 72513920]

約数ペア:

[(1, 72513920), (2, 36256960), (4, 18128480), (5, 14502784), (8, 9064240), (10, 7251392), (16, 4532120), (20, 3625696), (29, 2500480), (32, 2266060), (40, 1812848), (58, 1250240), (64, 1133030), (80, 906424), (116, 625120), (128, 566515), (145, 500096), (160, 453212), (232, 312560), (290, 250048), (320, 226606), (464, 156280), (580, 125024), (640, 113303), (928, 78140), (1160, 62512), (1856, 39070), (2320, 31256), (3712, 19535), (3907, 18560), (4640, 15628), (7814, 9280)]