64340770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 129548160

約数和(自身を除く): 65207390

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 83, 89, 130, 134, 166, 178, 335, 415, 445, 670, 830, 871, 890, 1079, 1157, 1742, 2158, 2314, 4355, 5395, 5561, 5785, 5963, 7387, 8710, 10790, 11122, 11570, 11926, 14774, 27805, 29815, 36935, 55610, 59630, 72293, 73870, 77519, 96031, 144586, 155038, 192062, 361465, 387595, 480155, 494929, 722930, 775190, 960310, 989858, 2474645, 4949290, 6434077, 12868154, 32170385, 64340770]

約数ペア:

[(1, 64340770), (2, 32170385), (5, 12868154), (10, 6434077), (13, 4949290), (26, 2474645), (65, 989858), (67, 960310), (83, 775190), (89, 722930), (130, 494929), (134, 480155), (166, 387595), (178, 361465), (335, 192062), (415, 155038), (445, 144586), (670, 96031), (830, 77519), (871, 73870), (890, 72293), (1079, 59630), (1157, 55610), (1742, 36935), (2158, 29815), (2314, 27805), (4355, 14774), (5395, 11926), (5561, 11570), (5785, 11122), (5963, 10790), (7387, 8710)]