128554020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 464486400

約数和(自身を除く): 335932380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 84, 90, 105, 108, 126, 135, 140, 142, 180, 189, 210, 213, 252, 270, 284, 315, 355, 378, 420, 426, 479, 497, 540, 630, 639, 710, 756, 852, 945, 958, 994, 1065, 1260, 1278, 1420, 1437, 1491, 1890, 1916, 1917, 1988, 2130, 2395, 2485, 2556, 2874, 2982, 3195, 3353, 3780, 3834, 4260, 4311, 4473, 4790, 4970, 5748, 5964, 6390, 6706, 7185, 7455, 7668, 8622, 8946, 9580, 9585, 9940, 10059, 12780, 12933, 13412, 13419, 14370, 14910, 16765, 17244, 17892, 19170, 20118, 21555, 22365, 25866, 26838, 28740, 29820, 30177, 33530, 34009, 38340, 40236, 43110, 44730, 50295, 51732, 53676, 60354, 64665, 67060, 67095, 68018, 86220, 89460, 90531, 100590, 102027, 120708, 129330, 134190, 136036, 150885, 170045, 181062, 201180, 204054, 238063, 258660, 268380, 301770, 306081, 340090, 362124, 408108, 452655, 476126, 510135, 603540, 612162, 680180, 714189, 905310, 918243, 952252, 1020270, 1190315, 1224324, 1428378, 1530405, 1810620, 1836486, 2040540, 2142567, 2380630, 2856756, 3060810, 3570945, 3672972, 4285134, 4591215, 4761260, 6121620, 6427701, 7141890, 8570268, 9182430, 10712835, 12855402, 14283780, 18364860, 21425670, 25710804, 32138505, 42851340, 64277010, 128554020]

約数ペア:

[(1, 128554020), (2, 64277010), (3, 42851340), (4, 32138505), (5, 25710804), (6, 21425670), (7, 18364860), (9, 14283780), (10, 12855402), (12, 10712835), (14, 9182430), (15, 8570268), (18, 7141890), (20, 6427701), (21, 6121620), (27, 4761260), (28, 4591215), (30, 4285134), (35, 3672972), (36, 3570945), (42, 3060810), (45, 2856756), (54, 2380630), (60, 2142567), (63, 2040540), (70, 1836486), (71, 1810620), (84, 1530405), (90, 1428378), (105, 1224324), (108, 1190315), (126, 1020270), (135, 952252), (140, 918243), (142, 905310), (180, 714189), (189, 680180), (210, 612162), (213, 603540), (252, 510135), (270, 476126), (284, 452655), (315, 408108), (355, 362124), (378, 340090), (420, 306081), (426, 301770), (479, 268380), (497, 258660), (540, 238063), (630, 204054), (639, 201180), (710, 181062), (756, 170045), (852, 150885), (945, 136036), (958, 134190), (994, 129330), (1065, 120708), (1260, 102027), (1278, 100590), (1420, 90531), (1437, 89460), (1491, 86220), (1890, 68018), (1916, 67095), (1917, 67060), (1988, 64665), (2130, 60354), (2395, 53676), (2485, 51732), (2556, 50295), (2874, 44730), (2982, 43110), (3195, 40236), (3353, 38340), (3780, 34009), (3834, 33530), (4260, 30177), (4311, 29820), (4473, 28740), (4790, 26838), (4970, 25866), (5748, 22365), (5964, 21555), (6390, 20118), (6706, 19170), (7185, 17892), (7455, 17244), (7668, 16765), (8622, 14910), (8946, 14370), (9580, 13419), (9585, 13412), (9940, 12933), (10059, 12780)]