71450520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 223914240

約数和(自身を除く): 152463720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 129, 172, 183, 215, 227, 244, 258, 305, 344, 366, 430, 454, 488, 516, 610, 645, 681, 732, 860, 908, 915, 1032, 1135, 1220, 1290, 1362, 1464, 1720, 1816, 1830, 2270, 2440, 2580, 2623, 2724, 3405, 3660, 4540, 5160, 5246, 5448, 6810, 7320, 7869, 9080, 9761, 10492, 13115, 13620, 13847, 15738, 19522, 20984, 26230, 27240, 27694, 29283, 31476, 39044, 39345, 41541, 48805, 52460, 55388, 58566, 62952, 69235, 78088, 78690, 83082, 97610, 104920, 110776, 117132, 138470, 146415, 157380, 166164, 195220, 207705, 234264, 276940, 292830, 314760, 332328, 390440, 415410, 553880, 585660, 595421, 830820, 1171320, 1190842, 1661640, 1786263, 2381684, 2977105, 3572526, 4763368, 5954210, 7145052, 8931315, 11908420, 14290104, 17862630, 23816840, 35725260, 71450520]

約数ペア:

[(1, 71450520), (2, 35725260), (3, 23816840), (4, 17862630), (5, 14290104), (6, 11908420), (8, 8931315), (10, 7145052), (12, 5954210), (15, 4763368), (20, 3572526), (24, 2977105), (30, 2381684), (40, 1786263), (43, 1661640), (60, 1190842), (61, 1171320), (86, 830820), (120, 595421), (122, 585660), (129, 553880), (172, 415410), (183, 390440), (215, 332328), (227, 314760), (244, 292830), (258, 276940), (305, 234264), (344, 207705), (366, 195220), (430, 166164), (454, 157380), (488, 146415), (516, 138470), (610, 117132), (645, 110776), (681, 104920), (732, 97610), (860, 83082), (908, 78690), (915, 78088), (1032, 69235), (1135, 62952), (1220, 58566), (1290, 55388), (1362, 52460), (1464, 48805), (1720, 41541), (1816, 39345), (1830, 39044), (2270, 31476), (2440, 29283), (2580, 27694), (2623, 27240), (2724, 26230), (3405, 20984), (3660, 19522), (4540, 15738), (5160, 13847), (5246, 13620), (5448, 13115), (6810, 10492), (7320, 9761), (7869, 9080)]