1966809780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{1093}}^1$

素因数の和:1890

約数の個数: 144

約数和(自身を含む): 6439152720

約数和(自身を除く): 4472342940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 769, 780, 1093, 1170, 1538, 2186, 2307, 2340, 3076, 3279, 3845, 4372, 4614, 5465, 6558, 6921, 7690, 9228, 9837, 9997, 10930, 11535, 13116, 13842, 14209, 15380, 16395, 19674, 19994, 21860, 23070, 27684, 28418, 29991, 32790, 34605, 39348, 39988, 42627, 46140, 49185, 49985, 56836, 59982, 65580, 69210, 71045, 85254, 89973, 98370, 99970, 119964, 127881, 138420, 142090, 149955, 170508, 179946, 196740, 199940, 213135, 255762, 284180, 299910, 359892, 426270, 449865, 511524, 599820, 639405, 840517, 852540, 899730, 1278810, 1681034, 1799460, 2521551, 2557620, 3362068, 4202585, 5043102, 7564653, 8405170, 10086204, 10926721, 12607755, 15129306, 16810340, 21853442, 25215510, 30258612, 32780163, 37823265, 43706884, 50431020, 54633605, 65560326, 75646530, 98340489, 109267210, 131120652, 151293060, 163900815, 196680978, 218534420, 327801630, 393361956, 491702445, 655603260, 983404890, 1966809780]

約数ペア:

[(1, 1966809780), (2, 983404890), (3, 655603260), (4, 491702445), (5, 393361956), (6, 327801630), (9, 218534420), (10, 196680978), (12, 163900815), (13, 151293060), (15, 131120652), (18, 109267210), (20, 98340489), (26, 75646530), (30, 65560326), (36, 54633605), (39, 50431020), (45, 43706884), (52, 37823265), (60, 32780163), (65, 30258612), (78, 25215510), (90, 21853442), (117, 16810340), (130, 15129306), (156, 12607755), (180, 10926721), (195, 10086204), (234, 8405170), (260, 7564653), (390, 5043102), (468, 4202585), (585, 3362068), (769, 2557620), (780, 2521551), (1093, 1799460), (1170, 1681034), (1538, 1278810), (2186, 899730), (2307, 852540), (2340, 840517), (3076, 639405), (3279, 599820), (3845, 511524), (4372, 449865), (4614, 426270), (5465, 359892), (6558, 299910), (6921, 284180), (7690, 255762), (9228, 213135), (9837, 199940), (9997, 196740), (10930, 179946), (11535, 170508), (13116, 149955), (13842, 142090), (14209, 138420), (15380, 127881), (16395, 119964), (19674, 99970), (19994, 98370), (21860, 89973), (23070, 85254), (27684, 71045), (28418, 69210), (29991, 65580), (32790, 59982), (34605, 56836), (39348, 49985), (39988, 49185), (42627, 46140)]