66881010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 195416064

約数和(自身を除く): 128535054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 61, 69, 70, 105, 115, 122, 138, 161, 183, 210, 227, 230, 305, 322, 345, 366, 427, 454, 483, 610, 681, 690, 805, 854, 915, 966, 1135, 1281, 1362, 1403, 1589, 1610, 1830, 2135, 2270, 2415, 2562, 2806, 3178, 3405, 4209, 4270, 4767, 4830, 5221, 6405, 6810, 7015, 7945, 8418, 9534, 9821, 10442, 12810, 13847, 14030, 15663, 15890, 19642, 21045, 23835, 26105, 27694, 29463, 31326, 36547, 41541, 42090, 47670, 49105, 52210, 58926, 69235, 73094, 78315, 83082, 96929, 98210, 109641, 138470, 147315, 156630, 182735, 193858, 207705, 219282, 290787, 294630, 318481, 365470, 415410, 484645, 548205, 581574, 636962, 955443, 969290, 1096410, 1453935, 1592405, 1910886, 2229367, 2907870, 3184810, 4458734, 4777215, 6688101, 9554430, 11146835, 13376202, 22293670, 33440505, 66881010]

約数ペア:

[(1, 66881010), (2, 33440505), (3, 22293670), (5, 13376202), (6, 11146835), (7, 9554430), (10, 6688101), (14, 4777215), (15, 4458734), (21, 3184810), (23, 2907870), (30, 2229367), (35, 1910886), (42, 1592405), (46, 1453935), (61, 1096410), (69, 969290), (70, 955443), (105, 636962), (115, 581574), (122, 548205), (138, 484645), (161, 415410), (183, 365470), (210, 318481), (227, 294630), (230, 290787), (305, 219282), (322, 207705), (345, 193858), (366, 182735), (427, 156630), (454, 147315), (483, 138470), (610, 109641), (681, 98210), (690, 96929), (805, 83082), (854, 78315), (915, 73094), (966, 69235), (1135, 58926), (1281, 52210), (1362, 49105), (1403, 47670), (1589, 42090), (1610, 41541), (1830, 36547), (2135, 31326), (2270, 29463), (2415, 27694), (2562, 26105), (2806, 23835), (3178, 21045), (3405, 19642), (4209, 15890), (4270, 15663), (4767, 14030), (4830, 13847), (5221, 12810), (6405, 10442), (6810, 9821), (7015, 9534), (7945, 8418)]