68174820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:970

約数の個数: 144

約数和(自身を含む): 240484608

約数和(自身を除く): 172309788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 887, 915, 1098, 1220, 1260, 1281, 1708, 1774, 1830, 2135, 2196, 2562, 2661, 2745, 3548, 3660, 3843, 4270, 4435, 5124, 5322, 5490, 6209, 6405, 7686, 7983, 8540, 8870, 10644, 10980, 12418, 12810, 13305, 15372, 15966, 17740, 18627, 19215, 24836, 25620, 26610, 31045, 31932, 37254, 38430, 39915, 53220, 54107, 55881, 62090, 74508, 76860, 79830, 93135, 108214, 111762, 124180, 159660, 162321, 186270, 216428, 223524, 270535, 279405, 324642, 372540, 378749, 486963, 541070, 558810, 649284, 757498, 811605, 973926, 1082140, 1117620, 1136247, 1514996, 1623210, 1893745, 1947852, 2272494, 2434815, 3246420, 3408741, 3787490, 4544988, 4869630, 5681235, 6817482, 7574980, 9739260, 11362470, 13634964, 17043705, 22724940, 34087410, 68174820]

約数ペア:

[(1, 68174820), (2, 34087410), (3, 22724940), (4, 17043705), (5, 13634964), (6, 11362470), (7, 9739260), (9, 7574980), (10, 6817482), (12, 5681235), (14, 4869630), (15, 4544988), (18, 3787490), (20, 3408741), (21, 3246420), (28, 2434815), (30, 2272494), (35, 1947852), (36, 1893745), (42, 1623210), (45, 1514996), (60, 1136247), (61, 1117620), (63, 1082140), (70, 973926), (84, 811605), (90, 757498), (105, 649284), (122, 558810), (126, 541070), (140, 486963), (180, 378749), (183, 372540), (210, 324642), (244, 279405), (252, 270535), (305, 223524), (315, 216428), (366, 186270), (420, 162321), (427, 159660), (549, 124180), (610, 111762), (630, 108214), (732, 93135), (854, 79830), (887, 76860), (915, 74508), (1098, 62090), (1220, 55881), (1260, 54107), (1281, 53220), (1708, 39915), (1774, 38430), (1830, 37254), (2135, 31932), (2196, 31045), (2562, 26610), (2661, 25620), (2745, 24836), (3548, 19215), (3660, 18627), (3843, 17740), (4270, 15966), (4435, 15372), (5124, 13305), (5322, 12810), (5490, 12418), (6209, 10980), (6405, 10644), (7686, 8870), (7983, 8540)]