155215620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2690

約数の個数: 144

約数和(自身を含む): 549739008

約数和(自身を除く): 394523388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2621, 2820, 2961, 3290, 3948, 4230, 4935, 5242, 5922, 6580, 7863, 8460, 9870, 10484, 11844, 13105, 14805, 15726, 18347, 19740, 23589, 26210, 29610, 31452, 36694, 39315, 47178, 52420, 55041, 59220, 73388, 78630, 91735, 94356, 110082, 117945, 123187, 157260, 165123, 183470, 220164, 235890, 246374, 275205, 330246, 366940, 369561, 471780, 492748, 550410, 615935, 660492, 739122, 825615, 862309, 1100820, 1108683, 1231870, 1478244, 1651230, 1724618, 1847805, 2217366, 2463740, 2586927, 3302460, 3449236, 3695610, 4311545, 4434732, 5173854, 5543415, 7391220, 7760781, 8623090, 10347708, 11086830, 12934635, 15521562, 17246180, 22173660, 25869270, 31043124, 38803905, 51738540, 77607810, 155215620]

約数ペア:

[(1, 155215620), (2, 77607810), (3, 51738540), (4, 38803905), (5, 31043124), (6, 25869270), (7, 22173660), (9, 17246180), (10, 15521562), (12, 12934635), (14, 11086830), (15, 10347708), (18, 8623090), (20, 7760781), (21, 7391220), (28, 5543415), (30, 5173854), (35, 4434732), (36, 4311545), (42, 3695610), (45, 3449236), (47, 3302460), (60, 2586927), (63, 2463740), (70, 2217366), (84, 1847805), (90, 1724618), (94, 1651230), (105, 1478244), (126, 1231870), (140, 1108683), (141, 1100820), (180, 862309), (188, 825615), (210, 739122), (235, 660492), (252, 615935), (282, 550410), (315, 492748), (329, 471780), (420, 369561), (423, 366940), (470, 330246), (564, 275205), (630, 246374), (658, 235890), (705, 220164), (846, 183470), (940, 165123), (987, 157260), (1260, 123187), (1316, 117945), (1410, 110082), (1645, 94356), (1692, 91735), (1974, 78630), (2115, 73388), (2621, 59220), (2820, 55041), (2961, 52420), (3290, 47178), (3948, 39315), (4230, 36694), (4935, 31452), (5242, 29610), (5922, 26210), (6580, 23589), (7863, 19740), (8460, 18347), (9870, 15726), (10484, 14805), (11844, 13105)]