145014795080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{227567}}^1$

素因数の和:227846

約数の個数: 64

約数和(自身を含む): 331794144000

約数和(自身を除く): 186779348920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 179, 356, 358, 445, 712, 716, 890, 895, 1432, 1780, 1790, 3560, 3580, 7160, 15931, 31862, 63724, 79655, 127448, 159310, 227567, 318620, 455134, 637240, 910268, 1137835, 1820536, 2275670, 4551340, 9102680, 20253463, 40506926, 40734493, 81013852, 81468986, 101267315, 162027704, 162937972, 202534630, 203672465, 325875944, 405069260, 407344930, 810138520, 814689860, 1629379720, 3625369877, 7250739754, 14501479508, 18126849385, 29002959016, 36253698770, 72507397540, 145014795080]

約数ペア:

[(1, 145014795080), (2, 72507397540), (4, 36253698770), (5, 29002959016), (8, 18126849385), (10, 14501479508), (20, 7250739754), (40, 3625369877), (89, 1629379720), (178, 814689860), (179, 810138520), (356, 407344930), (358, 405069260), (445, 325875944), (712, 203672465), (716, 202534630), (890, 162937972), (895, 162027704), (1432, 101267315), (1780, 81468986), (1790, 81013852), (3560, 40734493), (3580, 40506926), (7160, 20253463), (15931, 9102680), (31862, 4551340), (63724, 2275670), (79655, 1820536), (127448, 1137835), (159310, 910268), (227567, 637240), (318620, 455134)]