81809520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2017}}^1$

素因数の和:2059

約数の個数: 120

約数和(自身を含む): 274754736

約数和(自身を除く): 192945216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2017, 2028, 2535, 2704, 3120, 3380, 4034, 4056, 5070, 6051, 6760, 8068, 8112, 10085, 10140, 12102, 13520, 16136, 20170, 20280, 24204, 26221, 30255, 32272, 40340, 40560, 48408, 52442, 60510, 78663, 80680, 96816, 104884, 121020, 131105, 157326, 161360, 209768, 242040, 262210, 314652, 340873, 393315, 419536, 484080, 524420, 629304, 681746, 786630, 1022619, 1048840, 1258608, 1363492, 1573260, 1704365, 2045238, 2097680, 2726984, 3146520, 3408730, 4090476, 5113095, 5453968, 6293040, 6817460, 8180952, 10226190, 13634920, 16361904, 20452380, 27269840, 40904760, 81809520]

約数ペア:

[(1, 81809520), (2, 40904760), (3, 27269840), (4, 20452380), (5, 16361904), (6, 13634920), (8, 10226190), (10, 8180952), (12, 6817460), (13, 6293040), (15, 5453968), (16, 5113095), (20, 4090476), (24, 3408730), (26, 3146520), (30, 2726984), (39, 2097680), (40, 2045238), (48, 1704365), (52, 1573260), (60, 1363492), (65, 1258608), (78, 1048840), (80, 1022619), (104, 786630), (120, 681746), (130, 629304), (156, 524420), (169, 484080), (195, 419536), (208, 393315), (240, 340873), (260, 314652), (312, 262210), (338, 242040), (390, 209768), (507, 161360), (520, 157326), (624, 131105), (676, 121020), (780, 104884), (845, 96816), (1014, 80680), (1040, 78663), (1352, 60510), (1560, 52442), (1690, 48408), (2017, 40560), (2028, 40340), (2535, 32272), (2704, 30255), (3120, 26221), (3380, 24204), (4034, 20280), (4056, 20170), (5070, 16136), (6051, 13520), (6760, 12102), (8068, 10140), (8112, 10085)]