71884960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 202446216

約数和(自身を除く): 130561256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 173, 196, 212, 224, 245, 265, 280, 346, 371, 392, 424, 490, 530, 560, 692, 742, 784, 848, 865, 980, 1060, 1120, 1211, 1384, 1484, 1568, 1696, 1730, 1855, 1960, 2120, 2422, 2597, 2768, 2968, 3460, 3710, 3920, 4240, 4844, 5194, 5536, 5936, 6055, 6920, 7420, 7840, 8477, 8480, 9169, 9688, 10388, 11872, 12110, 12985, 13840, 14840, 16954, 18338, 19376, 20776, 24220, 25970, 27680, 29680, 33908, 36676, 38752, 41552, 42385, 45845, 48440, 51940, 59360, 64183, 67816, 73352, 83104, 84770, 91690, 96880, 103880, 128366, 135632, 146704, 169540, 183380, 193760, 207760, 256732, 271264, 293408, 320915, 339080, 366760, 415520, 449281, 513464, 641830, 678160, 733520, 898562, 1026928, 1283660, 1356320, 1467040, 1797124, 2053856, 2246405, 2567320, 3594248, 4492810, 5134640, 7188496, 8985620, 10269280, 14376992, 17971240, 35942480, 71884960]

約数ペア:

[(1, 71884960), (2, 35942480), (4, 17971240), (5, 14376992), (7, 10269280), (8, 8985620), (10, 7188496), (14, 5134640), (16, 4492810), (20, 3594248), (28, 2567320), (32, 2246405), (35, 2053856), (40, 1797124), (49, 1467040), (53, 1356320), (56, 1283660), (70, 1026928), (80, 898562), (98, 733520), (106, 678160), (112, 641830), (140, 513464), (160, 449281), (173, 415520), (196, 366760), (212, 339080), (224, 320915), (245, 293408), (265, 271264), (280, 256732), (346, 207760), (371, 193760), (392, 183380), (424, 169540), (490, 146704), (530, 135632), (560, 128366), (692, 103880), (742, 96880), (784, 91690), (848, 84770), (865, 83104), (980, 73352), (1060, 67816), (1120, 64183), (1211, 59360), (1384, 51940), (1484, 48440), (1568, 45845), (1696, 42385), (1730, 41552), (1855, 38752), (1960, 36676), (2120, 33908), (2422, 29680), (2597, 27680), (2768, 25970), (2968, 24220), (3460, 20776), (3710, 19376), (3920, 18338), (4240, 16954), (4844, 14840), (5194, 13840), (5536, 12985), (5936, 12110), (6055, 11872), (6920, 10388), (7420, 9688), (7840, 9169), (8477, 8480)]