2216915847680

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10961807}}^1$

素因数の和:10961909

約数の個数: 80

約数和(自身を含む): 5382686200320

約数和(自身を除く): 3165770352640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 1264, 1280, 1580, 2528, 2560, 3160, 5056, 6320, 10112, 12640, 20224, 25280, 40448, 50560, 101120, 202240, 10961807, 21923614, 43847228, 54809035, 87694456, 109618070, 175388912, 219236140, 350777824, 438472280, 701555648, 865982753, 876944560, 1403111296, 1731965506, 1753889120, 2806222592, 3463931012, 3507778240, 4329913765, 5612445184, 6927862024, 7015556480, 8659827530, 13855724048, 14031112960, 17319655060, 27711448096, 28062225920, 34639310120, 55422896192, 69278620240, 110845792384, 138557240480, 221691584768, 277114480960, 443383169536, 554228961920, 1108457923840, 2216915847680]

約数ペア:

[(1, 2216915847680), (2, 1108457923840), (4, 554228961920), (5, 443383169536), (8, 277114480960), (10, 221691584768), (16, 138557240480), (20, 110845792384), (32, 69278620240), (40, 55422896192), (64, 34639310120), (79, 28062225920), (80, 27711448096), (128, 17319655060), (158, 14031112960), (160, 13855724048), (256, 8659827530), (316, 7015556480), (320, 6927862024), (395, 5612445184), (512, 4329913765), (632, 3507778240), (640, 3463931012), (790, 2806222592), (1264, 1753889120), (1280, 1731965506), (1580, 1403111296), (2528, 876944560), (2560, 865982753), (3160, 701555648), (5056, 438472280), (6320, 350777824), (10112, 219236140), (12640, 175388912), (20224, 109618070), (25280, 87694456), (40448, 54809035), (50560, 43847228), (101120, 21923614), (202240, 10961807)]