128511.00000000

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:793

約数の個数: 96

約数和(自身を含む): 131233536

約数和(自身を除く): 90548556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 617, 628, 785, 942, 1099, 1234, 1570, 1851, 1884, 2198, 2355, 2468, 3085, 3140, 3297, 3702, 4319, 4396, 4710, 5495, 6170, 6594, 7404, 8638, 9255, 9420, 10990, 12340, 12957, 13188, 16485, 17276, 18510, 21595, 21980, 25914, 32970, 37020, 43190, 51828, 64785, 65940, 86380, 96869, 129570, 193738, 259140, 290607, 387476, 484345, 581214, 678083, 968690, 1162428, 1356166, 1453035, 1937380, 2034249, 2712332, 2906070, 3390415, 4068498, 5812140, 6780830, 8136996, 10171245, 13561660, 20342490, 40684980]

約数ペア:

[(1, 40684980), (2, 20342490), (3, 13561660), (4, 10171245), (5, 8136996), (6, 6780830), (7, 5812140), (10, 4068498), (12, 3390415), (14, 2906070), (15, 2712332), (20, 2034249), (21, 1937380), (28, 1453035), (30, 1356166), (35, 1162428), (42, 968690), (60, 678083), (70, 581214), (84, 484345), (105, 387476), (140, 290607), (157, 259140), (210, 193738), (314, 129570), (420, 96869), (471, 86380), (617, 65940), (628, 64785), (785, 51828), (942, 43190), (1099, 37020), (1234, 32970), (1570, 25914), (1851, 21980), (1884, 21595), (2198, 18510), (2355, 17276), (2468, 16485), (3085, 13188), (3140, 12957), (3297, 12340), (3702, 10990), (4319, 9420), (4396, 9255), (4710, 8638), (5495, 7404), (6170, 6594)]