1640883420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 240

約数和(自身を含む): 5669316576

約数和(自身を除く): 4028433156

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, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 484, 495, 540, 594, 605, 660, 726, 761, 810, 891, 990, 1089, 1188, 1210, 1331, 1452, 1485, 1522, 1620, 1782, 1815, 1980, 2178, 2283, 2420, 2662, 2970, 3044, 3267, 3564, 3630, 3805, 3993, 4356, 4455, 4566, 5324, 5445, 5940, 6534, 6655, 6849, 7260, 7610, 7986, 8371, 8910, 9132, 9801, 10890, 11415, 11979, 13068, 13310, 13698, 15220, 15972, 16335, 16742, 17820, 19602, 19965, 20547, 21780, 22830, 23958, 25113, 26620, 27396, 32670, 33484, 34245, 35937, 39204, 39930, 41094, 41855, 45660, 47916, 49005, 50226, 59895, 61641, 65340, 68490, 71874, 75339, 79860, 82188, 83710, 92081, 98010, 100452, 102735, 107811, 119790, 123282, 125565, 136980, 143748, 150678, 167420, 179685, 184162, 196020, 205470, 215622, 226017, 239580, 246564, 251130, 276243, 301356, 308205, 359370, 368324, 376695, 410940, 431244, 452034, 460405, 502260, 539055, 552486, 616410, 678051, 718740, 753390, 828729, 904068, 920810, 1012891, 1078110, 1104972, 1130085, 1232820, 1356102, 1381215, 1506780, 1657458, 1841620, 2025782, 2156220, 2260170, 2486187, 2712204, 2762430, 3038673, 3314916, 3390255, 4051564, 4143645, 4520340, 4972374, 5064455, 5524860, 6077346, 6780510, 7458561, 8287290, 9116019, 9944748, 10128910, 12154692, 12430935, 13561020, 14917122, 15193365, 16574580, 18232038, 20257820, 24861870, 27348057, 29834244, 30386730, 36464076, 37292805, 45580095, 49723740, 54696114, 60773460, 74585610, 82044171, 91160190, 109392228, 136740285, 149171220, 164088342, 182320380, 273480570, 328176684, 410220855, 546961140, 820441710, 1640883420]

約数ペア:

[(1, 1640883420), (2, 820441710), (3, 546961140), (4, 410220855), (5, 328176684), (6, 273480570), (9, 182320380), (10, 164088342), (11, 149171220), (12, 136740285), (15, 109392228), (18, 91160190), (20, 82044171), (22, 74585610), (27, 60773460), (30, 54696114), (33, 49723740), (36, 45580095), (44, 37292805), (45, 36464076), (54, 30386730), (55, 29834244), (60, 27348057), (66, 24861870), (81, 20257820), (90, 18232038), (99, 16574580), (108, 15193365), (110, 14917122), (121, 13561020), (132, 12430935), (135, 12154692), (162, 10128910), (165, 9944748), (180, 9116019), (198, 8287290), (220, 7458561), (242, 6780510), (270, 6077346), (297, 5524860), (324, 5064455), (330, 4972374), (363, 4520340), (396, 4143645), (405, 4051564), (484, 3390255), (495, 3314916), (540, 3038673), (594, 2762430), (605, 2712204), (660, 2486187), (726, 2260170), (761, 2156220), (810, 2025782), (891, 1841620), (990, 1657458), (1089, 1506780), (1188, 1381215), (1210, 1356102), (1331, 1232820), (1452, 1130085), (1485, 1104972), (1522, 1078110), (1620, 1012891), (1782, 920810), (1815, 904068), (1980, 828729), (2178, 753390), (2283, 718740), (2420, 678051), (2662, 616410), (2970, 552486), (3044, 539055), (3267, 502260), (3564, 460405), (3630, 452034), (3805, 431244), (3993, 410940), (4356, 376695), (4455, 368324), (4566, 359370), (5324, 308205), (5445, 301356), (5940, 276243), (6534, 251130), (6655, 246564), (6849, 239580), (7260, 226017), (7610, 215622), (7986, 205470), (8371, 196020), (8910, 184162), (9132, 179685), (9801, 167420), (10890, 150678), (11415, 143748), (11979, 136980), (13068, 125565), (13310, 123282), (13698, 119790), (15220, 107811), (15972, 102735), (16335, 100452), (16742, 98010), (17820, 92081), (19602, 83710), (19965, 82188), (20547, 79860), (21780, 75339), (22830, 71874), (23958, 68490), (25113, 65340), (26620, 61641), (27396, 59895), (32670, 50226), (33484, 49005), (34245, 47916), (35937, 45660), (39204, 41855), (39930, 41094)]