1245832740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{1373}}^1$

素因数の和:1530

約数の個数: 108

約数和(自身を含む): 3835793052

約数和(自身を除く): 2589960312

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1373, 1420, 2130, 2556, 2746, 3195, 4119, 4260, 5041, 5492, 6390, 6865, 8238, 10082, 12357, 12780, 13730, 15123, 16476, 20164, 20595, 24714, 25205, 27460, 30246, 41190, 45369, 49428, 50410, 60492, 61785, 75615, 82380, 90738, 97483, 100820, 123570, 151230, 181476, 194966, 226845, 247140, 292449, 302460, 389932, 453690, 487415, 584898, 877347, 907380, 974830, 1169796, 1462245, 1754694, 1949660, 2924490, 3509388, 4386735, 5848980, 6921293, 8773470, 13842586, 17546940, 20763879, 27685172, 34606465, 41527758, 62291637, 69212930, 83055516, 103819395, 124583274, 138425860, 207638790, 249166548, 311458185, 415277580, 622916370, 1245832740]

約数ペア:

[(1, 1245832740), (2, 622916370), (3, 415277580), (4, 311458185), (5, 249166548), (6, 207638790), (9, 138425860), (10, 124583274), (12, 103819395), (15, 83055516), (18, 69212930), (20, 62291637), (30, 41527758), (36, 34606465), (45, 27685172), (60, 20763879), (71, 17546940), (90, 13842586), (142, 8773470), (180, 6921293), (213, 5848980), (284, 4386735), (355, 3509388), (426, 2924490), (639, 1949660), (710, 1754694), (852, 1462245), (1065, 1169796), (1278, 974830), (1373, 907380), (1420, 877347), (2130, 584898), (2556, 487415), (2746, 453690), (3195, 389932), (4119, 302460), (4260, 292449), (5041, 247140), (5492, 226845), (6390, 194966), (6865, 181476), (8238, 151230), (10082, 123570), (12357, 100820), (12780, 97483), (13730, 90738), (15123, 82380), (16476, 75615), (20164, 61785), (20595, 60492), (24714, 50410), (25205, 49428), (27460, 45369), (30246, 41190)]