720282010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{3169}}^1$

素因数の和:3391

約数の個数: 64

約数和(自身を含む): 1577594880

約数和(自身を除く): 857312870

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 191, 238, 382, 595, 955, 1190, 1337, 1910, 2674, 3169, 3247, 6338, 6494, 6685, 13370, 15845, 16235, 22183, 22729, 31690, 32470, 44366, 45458, 53873, 107746, 110915, 113645, 221830, 227290, 269365, 377111, 538730, 605279, 754222, 1210558, 1885555, 3026395, 3771110, 4236953, 6052790, 8473906, 10289743, 20579486, 21184765, 42369530, 51448715, 72028201, 102897430, 144056402, 360141005, 720282010]

約数ペア:

[(1, 720282010), (2, 360141005), (5, 144056402), (7, 102897430), (10, 72028201), (14, 51448715), (17, 42369530), (34, 21184765), (35, 20579486), (70, 10289743), (85, 8473906), (119, 6052790), (170, 4236953), (191, 3771110), (238, 3026395), (382, 1885555), (595, 1210558), (955, 754222), (1190, 605279), (1337, 538730), (1910, 377111), (2674, 269365), (3169, 227290), (3247, 221830), (6338, 113645), (6494, 110915), (6685, 107746), (13370, 53873), (15845, 45458), (16235, 44366), (22183, 32470), (22729, 31690)]