155568420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 542400768

約数和(自身を除く): 386832348

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, 397, 420, 622, 630, 794, 933, 1191, 1244, 1260, 1555, 1588, 1866, 1985, 2177, 2382, 2779, 2799, 3110, 3573, 3732, 3970, 4354, 4665, 4764, 5558, 5598, 5955, 6220, 6531, 7146, 7940, 8337, 8708, 9330, 10885, 11116, 11196, 11910, 13062, 13895, 13995, 14292, 16674, 17865, 18660, 19593, 21770, 23820, 25011, 26124, 27790, 27990, 32655, 33348, 35730, 39186, 41685, 43540, 50022, 55580, 55980, 65310, 71460, 78372, 83370, 97965, 100044, 123467, 125055, 130620, 166740, 195930, 246934, 250110, 370401, 391860, 493868, 500220, 617335, 740802, 864269, 1111203, 1234670, 1481604, 1728538, 1852005, 2222406, 2469340, 2592807, 3457076, 3704010, 4321345, 4444812, 5185614, 5556015, 7408020, 7778421, 8642690, 10371228, 11112030, 12964035, 15556842, 17285380, 22224060, 25928070, 31113684, 38892105, 51856140, 77784210, 155568420]

約数ペア:

[(1, 155568420), (2, 77784210), (3, 51856140), (4, 38892105), (5, 31113684), (6, 25928070), (7, 22224060), (9, 17285380), (10, 15556842), (12, 12964035), (14, 11112030), (15, 10371228), (18, 8642690), (20, 7778421), (21, 7408020), (28, 5556015), (30, 5185614), (35, 4444812), (36, 4321345), (42, 3704010), (45, 3457076), (60, 2592807), (63, 2469340), (70, 2222406), (84, 1852005), (90, 1728538), (105, 1481604), (126, 1234670), (140, 1111203), (180, 864269), (210, 740802), (252, 617335), (311, 500220), (315, 493868), (397, 391860), (420, 370401), (622, 250110), (630, 246934), (794, 195930), (933, 166740), (1191, 130620), (1244, 125055), (1260, 123467), (1555, 100044), (1588, 97965), (1866, 83370), (1985, 78372), (2177, 71460), (2382, 65310), (2779, 55980), (2799, 55580), (3110, 50022), (3573, 43540), (3732, 41685), (3970, 39186), (4354, 35730), (4665, 33348), (4764, 32655), (5558, 27990), (5598, 27790), (5955, 26124), (6220, 25011), (6531, 23820), (7146, 21770), (7940, 19593), (8337, 18660), (8708, 17865), (9330, 16674), (10885, 14292), (11116, 13995), (11196, 13895), (11910, 13062)]