81217620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 280385280

約数和(自身を除く): 199167660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 113, 121, 132, 135, 165, 180, 198, 220, 226, 242, 270, 297, 330, 339, 363, 396, 452, 484, 495, 540, 565, 594, 605, 660, 678, 726, 990, 1017, 1089, 1130, 1188, 1210, 1243, 1331, 1356, 1452, 1485, 1695, 1815, 1980, 2034, 2178, 2260, 2420, 2486, 2662, 2970, 3051, 3267, 3390, 3630, 3729, 3993, 4068, 4356, 4972, 5085, 5324, 5445, 5940, 6102, 6215, 6534, 6655, 6780, 7260, 7458, 7986, 10170, 10890, 11187, 11979, 12204, 12430, 13068, 13310, 13673, 14916, 15255, 15972, 16335, 18645, 19965, 20340, 21780, 22374, 23958, 24860, 26620, 27346, 30510, 32670, 33561, 35937, 37290, 39930, 41019, 44748, 47916, 54692, 55935, 59895, 61020, 65340, 67122, 68365, 71874, 74580, 79860, 82038, 111870, 119790, 123057, 134244, 136730, 143748, 150403, 164076, 167805, 179685, 205095, 223740, 239580, 246114, 273460, 300806, 335610, 359370, 369171, 410190, 451209, 492228, 601612, 615285, 671220, 718740, 738342, 752015, 820380, 902418, 1230570, 1353627, 1476684, 1504030, 1804836, 1845855, 2256045, 2461140, 2707254, 3008060, 3691710, 4060881, 4512090, 5414508, 6768135, 7383420, 8121762, 9024180, 13536270, 16243524, 20304405, 27072540, 40608810, 81217620]

約数ペア:

[(1, 81217620), (2, 40608810), (3, 27072540), (4, 20304405), (5, 16243524), (6, 13536270), (9, 9024180), (10, 8121762), (11, 7383420), (12, 6768135), (15, 5414508), (18, 4512090), (20, 4060881), (22, 3691710), (27, 3008060), (30, 2707254), (33, 2461140), (36, 2256045), (44, 1845855), (45, 1804836), (54, 1504030), (55, 1476684), (60, 1353627), (66, 1230570), (90, 902418), (99, 820380), (108, 752015), (110, 738342), (113, 718740), (121, 671220), (132, 615285), (135, 601612), (165, 492228), (180, 451209), (198, 410190), (220, 369171), (226, 359370), (242, 335610), (270, 300806), (297, 273460), (330, 246114), (339, 239580), (363, 223740), (396, 205095), (452, 179685), (484, 167805), (495, 164076), (540, 150403), (565, 143748), (594, 136730), (605, 134244), (660, 123057), (678, 119790), (726, 111870), (990, 82038), (1017, 79860), (1089, 74580), (1130, 71874), (1188, 68365), (1210, 67122), (1243, 65340), (1331, 61020), (1356, 59895), (1452, 55935), (1485, 54692), (1695, 47916), (1815, 44748), (1980, 41019), (2034, 39930), (2178, 37290), (2260, 35937), (2420, 33561), (2486, 32670), (2662, 30510), (2970, 27346), (3051, 26620), (3267, 24860), (3390, 23958), (3630, 22374), (3729, 21780), (3993, 20340), (4068, 19965), (4356, 18645), (4972, 16335), (5085, 15972), (5324, 15255), (5445, 14916), (5940, 13673), (6102, 13310), (6215, 13068), (6534, 12430), (6655, 12204), (6780, 11979), (7260, 11187), (7458, 10890), (7986, 10170)]