72810880

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3971

約数の個数: 64

約数和(自身を含む): 180111600

約数和(自身を除く): 107300720

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, 3923, 4640, 7846, 9280, 15692, 18560, 19615, 31384, 39230, 62768, 78460, 113767, 125536, 156920, 227534, 251072, 313840, 455068, 502144, 568835, 627680, 910136, 1137670, 1255360, 1820272, 2275340, 2510720, 3640544, 4550680, 7281088, 9101360, 14562176, 18202720, 36405440, 72810880]

約数ペア:

[(1, 72810880), (2, 36405440), (4, 18202720), (5, 14562176), (8, 9101360), (10, 7281088), (16, 4550680), (20, 3640544), (29, 2510720), (32, 2275340), (40, 1820272), (58, 1255360), (64, 1137670), (80, 910136), (116, 627680), (128, 568835), (145, 502144), (160, 455068), (232, 313840), (290, 251072), (320, 227534), (464, 156920), (580, 125536), (640, 113767), (928, 78460), (1160, 62768), (1856, 39230), (2320, 31384), (3712, 19615), (3923, 18560), (4640, 15692), (7846, 9280)]