68774680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:7004

約数の個数: 64

約数和(自身を含む): 175442400

約数和(自身を除く): 106667720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6961, 9880, 13922, 27844, 34805, 55688, 69610, 90493, 132259, 139220, 180986, 264518, 278440, 361972, 452465, 529036, 661295, 723944, 904930, 1058072, 1322590, 1719367, 1809860, 2645180, 3438734, 3619720, 5290360, 6877468, 8596835, 13754936, 17193670, 34387340, 68774680]

約数ペア:

[(1, 68774680), (2, 34387340), (4, 17193670), (5, 13754936), (8, 8596835), (10, 6877468), (13, 5290360), (19, 3619720), (20, 3438734), (26, 2645180), (38, 1809860), (40, 1719367), (52, 1322590), (65, 1058072), (76, 904930), (95, 723944), (104, 661295), (130, 529036), (152, 452465), (190, 361972), (247, 278440), (260, 264518), (380, 180986), (494, 139220), (520, 132259), (760, 90493), (988, 69610), (1235, 55688), (1976, 34805), (2470, 27844), (4940, 13922), (6961, 9880)]