820912140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1708

約数の個数: 144

約数和(自身を含む): 2587673088

約数和(自身を除く): 1766760948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 67, 86, 90, 129, 134, 172, 180, 201, 215, 258, 268, 335, 387, 402, 430, 516, 603, 645, 670, 774, 804, 860, 1005, 1206, 1290, 1340, 1548, 1583, 1935, 2010, 2412, 2580, 2881, 3015, 3166, 3870, 4020, 4749, 5762, 6030, 6332, 7740, 7915, 8643, 9498, 11524, 12060, 14247, 14405, 15830, 17286, 18996, 23745, 25929, 28494, 28810, 31660, 34572, 43215, 47490, 51858, 56988, 57620, 68069, 71235, 86430, 94980, 103716, 106061, 129645, 136138, 142470, 172860, 204207, 212122, 259290, 272276, 284940, 318183, 340345, 408414, 424244, 518580, 530305, 612621, 636366, 680690, 816828, 954549, 1021035, 1060610, 1225242, 1272732, 1361380, 1590915, 1909098, 2042070, 2121220, 2450484, 3063105, 3181830, 3818196, 4084140, 4560623, 4772745, 6126210, 6363660, 9121246, 9545490, 12252420, 13681869, 18242492, 19090980, 22803115, 27363738, 41045607, 45606230, 54727476, 68409345, 82091214, 91212460, 136818690, 164182428, 205228035, 273637380, 410456070, 820912140]

約数ペア:

[(1, 820912140), (2, 410456070), (3, 273637380), (4, 205228035), (5, 164182428), (6, 136818690), (9, 91212460), (10, 82091214), (12, 68409345), (15, 54727476), (18, 45606230), (20, 41045607), (30, 27363738), (36, 22803115), (43, 19090980), (45, 18242492), (60, 13681869), (67, 12252420), (86, 9545490), (90, 9121246), (129, 6363660), (134, 6126210), (172, 4772745), (180, 4560623), (201, 4084140), (215, 3818196), (258, 3181830), (268, 3063105), (335, 2450484), (387, 2121220), (402, 2042070), (430, 1909098), (516, 1590915), (603, 1361380), (645, 1272732), (670, 1225242), (774, 1060610), (804, 1021035), (860, 954549), (1005, 816828), (1206, 680690), (1290, 636366), (1340, 612621), (1548, 530305), (1583, 518580), (1935, 424244), (2010, 408414), (2412, 340345), (2580, 318183), (2881, 284940), (3015, 272276), (3166, 259290), (3870, 212122), (4020, 204207), (4749, 172860), (5762, 142470), (6030, 136138), (6332, 129645), (7740, 106061), (7915, 103716), (8643, 94980), (9498, 86430), (11524, 71235), (12060, 68069), (14247, 57620), (14405, 56988), (15830, 51858), (17286, 47490), (18996, 43215), (23745, 34572), (25929, 31660), (28494, 28810)]