129178920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4915

約数の個数: 128

約数和(自身を含む): 441987840

約数和(自身を除く): 312808920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 4871, 5304, 6630, 8840, 9742, 13260, 14613, 19484, 24355, 26520, 29226, 38968, 48710, 58452, 63323, 73065, 82807, 97420, 116904, 126646, 146130, 165614, 189969, 194840, 248421, 253292, 292260, 316615, 331228, 379938, 414035, 496842, 506584, 584520, 633230, 662456, 759876, 828070, 949845, 993684, 1076491, 1242105, 1266460, 1519752, 1656140, 1899690, 1987368, 2152982, 2484210, 2532920, 3229473, 3312280, 3799380, 4305964, 4968420, 5382455, 6458946, 7598760, 8611928, 9936840, 10764910, 12917892, 16147365, 21529820, 25835784, 32294730, 43059640, 64589460, 129178920]

約数ペア:

[(1, 129178920), (2, 64589460), (3, 43059640), (4, 32294730), (5, 25835784), (6, 21529820), (8, 16147365), (10, 12917892), (12, 10764910), (13, 9936840), (15, 8611928), (17, 7598760), (20, 6458946), (24, 5382455), (26, 4968420), (30, 4305964), (34, 3799380), (39, 3312280), (40, 3229473), (51, 2532920), (52, 2484210), (60, 2152982), (65, 1987368), (68, 1899690), (78, 1656140), (85, 1519752), (102, 1266460), (104, 1242105), (120, 1076491), (130, 993684), (136, 949845), (156, 828070), (170, 759876), (195, 662456), (204, 633230), (221, 584520), (255, 506584), (260, 496842), (312, 414035), (340, 379938), (390, 331228), (408, 316615), (442, 292260), (510, 253292), (520, 248421), (663, 194840), (680, 189969), (780, 165614), (884, 146130), (1020, 126646), (1105, 116904), (1326, 97420), (1560, 82807), (1768, 73065), (2040, 63323), (2210, 58452), (2652, 48710), (3315, 38968), (4420, 29226), (4871, 26520), (5304, 24355), (6630, 19484), (8840, 14613), (9742, 13260)]