155156540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 425748960

約数和(自身を除く): 270592420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 49, 55, 70, 74, 77, 98, 110, 140, 148, 154, 185, 196, 220, 245, 259, 308, 370, 385, 389, 407, 490, 518, 539, 740, 770, 778, 814, 980, 1036, 1078, 1295, 1540, 1556, 1628, 1813, 1945, 2035, 2156, 2590, 2695, 2723, 2849, 3626, 3890, 4070, 4279, 5180, 5390, 5446, 5698, 7252, 7780, 8140, 8558, 9065, 10780, 10892, 11396, 13615, 14245, 14393, 17116, 18130, 19061, 19943, 21395, 27230, 28490, 28786, 29953, 36260, 38122, 39886, 42790, 54460, 56980, 57572, 59906, 71965, 76244, 79772, 85580, 95305, 99715, 100751, 119812, 143930, 149765, 158323, 190610, 199430, 201502, 209671, 287860, 299530, 316646, 381220, 398860, 403004, 419342, 503755, 599060, 633292, 705257, 791615, 838684, 1007510, 1048355, 1108261, 1410514, 1583230, 2015020, 2096710, 2216522, 2821028, 3166460, 3526285, 4193420, 4433044, 5541305, 7052570, 7757827, 11082610, 14105140, 15515654, 22165220, 31031308, 38789135, 77578270, 155156540]

約数ペア:

[(1, 155156540), (2, 77578270), (4, 38789135), (5, 31031308), (7, 22165220), (10, 15515654), (11, 14105140), (14, 11082610), (20, 7757827), (22, 7052570), (28, 5541305), (35, 4433044), (37, 4193420), (44, 3526285), (49, 3166460), (55, 2821028), (70, 2216522), (74, 2096710), (77, 2015020), (98, 1583230), (110, 1410514), (140, 1108261), (148, 1048355), (154, 1007510), (185, 838684), (196, 791615), (220, 705257), (245, 633292), (259, 599060), (308, 503755), (370, 419342), (385, 403004), (389, 398860), (407, 381220), (490, 316646), (518, 299530), (539, 287860), (740, 209671), (770, 201502), (778, 199430), (814, 190610), (980, 158323), (1036, 149765), (1078, 143930), (1295, 119812), (1540, 100751), (1556, 99715), (1628, 95305), (1813, 85580), (1945, 79772), (2035, 76244), (2156, 71965), (2590, 59906), (2695, 57572), (2723, 56980), (2849, 54460), (3626, 42790), (3890, 39886), (4070, 38122), (4279, 36260), (5180, 29953), (5390, 28786), (5446, 28490), (5698, 27230), (7252, 21395), (7780, 19943), (8140, 19061), (8558, 18130), (9065, 17116), (10780, 14393), (10892, 14245), (11396, 13615)]