68569620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 226836288

約数和(自身を除く): 158266668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 83, 84, 98, 105, 140, 147, 166, 196, 210, 245, 249, 281, 294, 332, 415, 420, 490, 498, 562, 581, 588, 735, 830, 843, 980, 996, 1124, 1162, 1245, 1405, 1470, 1660, 1686, 1743, 1967, 2324, 2490, 2810, 2905, 2940, 3372, 3486, 3934, 4067, 4215, 4980, 5620, 5810, 5901, 6972, 7868, 8134, 8430, 8715, 9835, 11620, 11802, 12201, 13769, 16268, 16860, 17430, 19670, 20335, 23323, 23604, 24402, 27538, 29505, 34860, 39340, 40670, 41307, 46646, 48804, 55076, 59010, 61005, 68845, 69969, 81340, 82614, 93292, 116615, 118020, 122010, 137690, 139938, 163261, 165228, 206535, 233230, 244020, 275380, 279876, 326522, 349845, 413070, 466460, 489783, 653044, 699690, 816305, 826140, 979566, 1142827, 1399380, 1632610, 1959132, 2285654, 2448915, 3265220, 3428481, 4571308, 4897830, 5714135, 6856962, 9795660, 11428270, 13713924, 17142405, 22856540, 34284810, 68569620]

約数ペア:

[(1, 68569620), (2, 34284810), (3, 22856540), (4, 17142405), (5, 13713924), (6, 11428270), (7, 9795660), (10, 6856962), (12, 5714135), (14, 4897830), (15, 4571308), (20, 3428481), (21, 3265220), (28, 2448915), (30, 2285654), (35, 1959132), (42, 1632610), (49, 1399380), (60, 1142827), (70, 979566), (83, 826140), (84, 816305), (98, 699690), (105, 653044), (140, 489783), (147, 466460), (166, 413070), (196, 349845), (210, 326522), (245, 279876), (249, 275380), (281, 244020), (294, 233230), (332, 206535), (415, 165228), (420, 163261), (490, 139938), (498, 137690), (562, 122010), (581, 118020), (588, 116615), (735, 93292), (830, 82614), (843, 81340), (980, 69969), (996, 68845), (1124, 61005), (1162, 59010), (1245, 55076), (1405, 48804), (1470, 46646), (1660, 41307), (1686, 40670), (1743, 39340), (1967, 34860), (2324, 29505), (2490, 27538), (2810, 24402), (2905, 23604), (2940, 23323), (3372, 20335), (3486, 19670), (3934, 17430), (4067, 16860), (4215, 16268), (4980, 13769), (5620, 12201), (5810, 11802), (5901, 11620), (6972, 9835), (7868, 8715), (8134, 8430)]