78800280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50513}}^1$

素因数の和:50540

約数の個数: 64

約数和(自身を含む): 254590560

約数和(自身を除く): 175790280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 50513, 101026, 151539, 202052, 252565, 303078, 404104, 505130, 606156, 656669, 757695, 1010260, 1212312, 1313338, 1515390, 1970007, 2020520, 2626676, 3030780, 3283345, 3940014, 5253352, 6061560, 6566690, 7880028, 9850035, 13133380, 15760056, 19700070, 26266760, 39400140, 78800280]

約数ペア:

[(1, 78800280), (2, 39400140), (3, 26266760), (4, 19700070), (5, 15760056), (6, 13133380), (8, 9850035), (10, 7880028), (12, 6566690), (13, 6061560), (15, 5253352), (20, 3940014), (24, 3283345), (26, 3030780), (30, 2626676), (39, 2020520), (40, 1970007), (52, 1515390), (60, 1313338), (65, 1212312), (78, 1010260), (104, 757695), (120, 656669), (130, 606156), (156, 505130), (195, 404104), (260, 303078), (312, 252565), (390, 202052), (520, 151539), (780, 101026), (1560, 50513)]