80720340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2017}}^1$

素因数の和:2081

約数の個数: 96

約数和(自身を含む): 244097280

約数和(自身を除く): 163376940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 460, 580, 667, 690, 870, 1334, 1380, 1740, 2001, 2017, 2668, 3335, 4002, 4034, 6051, 6670, 8004, 8068, 10005, 10085, 12102, 13340, 20010, 20170, 24204, 30255, 40020, 40340, 46391, 58493, 60510, 92782, 116986, 121020, 139173, 175479, 185564, 231955, 233972, 278346, 292465, 350958, 463910, 556692, 584930, 695865, 701916, 877395, 927820, 1169860, 1345339, 1391730, 1754790, 2690678, 2783460, 3509580, 4036017, 5381356, 6726695, 8072034, 13453390, 16144068, 20180085, 26906780, 40360170, 80720340]

約数ペア:

[(1, 80720340), (2, 40360170), (3, 26906780), (4, 20180085), (5, 16144068), (6, 13453390), (10, 8072034), (12, 6726695), (15, 5381356), (20, 4036017), (23, 3509580), (29, 2783460), (30, 2690678), (46, 1754790), (58, 1391730), (60, 1345339), (69, 1169860), (87, 927820), (92, 877395), (115, 701916), (116, 695865), (138, 584930), (145, 556692), (174, 463910), (230, 350958), (276, 292465), (290, 278346), (345, 233972), (348, 231955), (435, 185564), (460, 175479), (580, 139173), (667, 121020), (690, 116986), (870, 92782), (1334, 60510), (1380, 58493), (1740, 46391), (2001, 40340), (2017, 40020), (2668, 30255), (3335, 24204), (4002, 20170), (4034, 20010), (6051, 13340), (6670, 12102), (8004, 10085), (8068, 10005)]