1520556440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79031}}^1$

素因数の和:79092

約数の個数: 64

約数和(自身を含む): 3784052160

約数和(自身を除く): 2263495720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 79031, 158062, 316124, 395155, 632248, 790310, 1027403, 1580620, 2054806, 2924147, 3161240, 4109612, 5137015, 5848294, 8219224, 10274030, 11696588, 14620735, 20548060, 23393176, 29241470, 38013911, 41096120, 58482940, 76027822, 116965880, 152055644, 190069555, 304111288, 380139110, 760278220, 1520556440]

約数ペア:

[(1, 1520556440), (2, 760278220), (4, 380139110), (5, 304111288), (8, 190069555), (10, 152055644), (13, 116965880), (20, 76027822), (26, 58482940), (37, 41096120), (40, 38013911), (52, 29241470), (65, 23393176), (74, 20548060), (104, 14620735), (130, 11696588), (148, 10274030), (185, 8219224), (260, 5848294), (296, 5137015), (370, 4109612), (481, 3161240), (520, 2924147), (740, 2054806), (962, 1580620), (1480, 1027403), (1924, 790310), (2405, 632248), (3848, 395155), (4810, 316124), (9620, 158062), (19240, 79031)]