87381240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2687}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 263208960

約数和(自身を除く): 175827720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2687, 2710, 3252, 4065, 5374, 5420, 6504, 8061, 8130, 10748, 10840, 13435, 16122, 16260, 21496, 26870, 32244, 32520, 40305, 53740, 64488, 80610, 107480, 161220, 322440, 728177, 1456354, 2184531, 2912708, 3640885, 4369062, 5825416, 7281770, 8738124, 10922655, 14563540, 17476248, 21845310, 29127080, 43690620, 87381240]

約数ペア:

[(1, 87381240), (2, 43690620), (3, 29127080), (4, 21845310), (5, 17476248), (6, 14563540), (8, 10922655), (10, 8738124), (12, 7281770), (15, 5825416), (20, 4369062), (24, 3640885), (30, 2912708), (40, 2184531), (60, 1456354), (120, 728177), (271, 322440), (542, 161220), (813, 107480), (1084, 80610), (1355, 64488), (1626, 53740), (2168, 40305), (2687, 32520), (2710, 32244), (3252, 26870), (4065, 21496), (5374, 16260), (5420, 16122), (6504, 13435), (8061, 10840), (8130, 10748)]