81543060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 263914560

約数和(自身を除く): 182371500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 113, 114, 171, 180, 190, 211, 226, 228, 285, 339, 342, 380, 422, 452, 565, 570, 633, 678, 684, 844, 855, 1017, 1055, 1130, 1140, 1266, 1356, 1695, 1710, 1899, 2034, 2110, 2147, 2260, 2532, 3165, 3390, 3420, 3798, 4009, 4068, 4220, 4294, 5085, 6330, 6441, 6780, 7596, 8018, 8588, 9495, 10170, 10735, 12027, 12660, 12882, 16036, 18990, 19323, 20045, 20340, 21470, 23843, 24054, 25764, 32205, 36081, 37980, 38646, 40090, 42940, 47686, 48108, 60135, 64410, 71529, 72162, 77292, 80180, 95372, 96615, 119215, 120270, 128820, 143058, 144324, 180405, 193230, 214587, 238430, 240540, 286116, 357645, 360810, 386460, 429174, 453017, 476860, 715290, 721620, 858348, 906034, 1072935, 1359051, 1430580, 1812068, 2145870, 2265085, 2718102, 4077153, 4291740, 4530170, 5436204, 6795255, 8154306, 9060340, 13590510, 16308612, 20385765, 27181020, 40771530, 81543060]

約数ペア:

[(1, 81543060), (2, 40771530), (3, 27181020), (4, 20385765), (5, 16308612), (6, 13590510), (9, 9060340), (10, 8154306), (12, 6795255), (15, 5436204), (18, 4530170), (19, 4291740), (20, 4077153), (30, 2718102), (36, 2265085), (38, 2145870), (45, 1812068), (57, 1430580), (60, 1359051), (76, 1072935), (90, 906034), (95, 858348), (113, 721620), (114, 715290), (171, 476860), (180, 453017), (190, 429174), (211, 386460), (226, 360810), (228, 357645), (285, 286116), (339, 240540), (342, 238430), (380, 214587), (422, 193230), (452, 180405), (565, 144324), (570, 143058), (633, 128820), (678, 120270), (684, 119215), (844, 96615), (855, 95372), (1017, 80180), (1055, 77292), (1130, 72162), (1140, 71529), (1266, 64410), (1356, 60135), (1695, 48108), (1710, 47686), (1899, 42940), (2034, 40090), (2110, 38646), (2147, 37980), (2260, 36081), (2532, 32205), (3165, 25764), (3390, 24054), (3420, 23843), (3798, 21470), (4009, 20340), (4068, 20045), (4220, 19323), (4294, 18990), (5085, 16036), (6330, 12882), (6441, 12660), (6780, 12027), (7596, 10735), (8018, 10170), (8588, 9495)]