135975420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 474259968

約数和(自身を除く): 338284548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 311, 315, 347, 420, 622, 630, 694, 933, 1041, 1244, 1260, 1388, 1555, 1735, 1866, 2082, 2177, 2429, 2799, 3110, 3123, 3470, 3732, 4164, 4354, 4665, 4858, 5205, 5598, 6220, 6246, 6531, 6940, 7287, 8708, 9330, 9716, 10410, 10885, 11196, 12145, 12492, 13062, 13995, 14574, 15615, 18660, 19593, 20820, 21770, 21861, 24290, 26124, 27990, 29148, 31230, 32655, 36435, 39186, 43540, 43722, 48580, 55980, 62460, 65310, 72870, 78372, 87444, 97965, 107917, 109305, 130620, 145740, 195930, 215834, 218610, 323751, 391860, 431668, 437220, 539585, 647502, 755419, 971253, 1079170, 1295004, 1510838, 1618755, 1942506, 2158340, 2266257, 3021676, 3237510, 3777095, 3885012, 4532514, 4856265, 6475020, 6798771, 7554190, 9065028, 9712530, 11331285, 13597542, 15108380, 19425060, 22662570, 27195084, 33993855, 45325140, 67987710, 135975420]

約数ペア:

[(1, 135975420), (2, 67987710), (3, 45325140), (4, 33993855), (5, 27195084), (6, 22662570), (7, 19425060), (9, 15108380), (10, 13597542), (12, 11331285), (14, 9712530), (15, 9065028), (18, 7554190), (20, 6798771), (21, 6475020), (28, 4856265), (30, 4532514), (35, 3885012), (36, 3777095), (42, 3237510), (45, 3021676), (60, 2266257), (63, 2158340), (70, 1942506), (84, 1618755), (90, 1510838), (105, 1295004), (126, 1079170), (140, 971253), (180, 755419), (210, 647502), (252, 539585), (311, 437220), (315, 431668), (347, 391860), (420, 323751), (622, 218610), (630, 215834), (694, 195930), (933, 145740), (1041, 130620), (1244, 109305), (1260, 107917), (1388, 97965), (1555, 87444), (1735, 78372), (1866, 72870), (2082, 65310), (2177, 62460), (2429, 55980), (2799, 48580), (3110, 43722), (3123, 43540), (3470, 39186), (3732, 36435), (4164, 32655), (4354, 31230), (4665, 29148), (4858, 27990), (5205, 26124), (5598, 24290), (6220, 21861), (6246, 21770), (6531, 20820), (6940, 19593), (7287, 18660), (8708, 15615), (9330, 14574), (9716, 13995), (10410, 13062), (10885, 12492), (11196, 12145)]