81153240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5683}}^1$

素因数の和:5721

約数の個数: 128

約数和(自身を含む): 294658560

約数和(自身を除く): 213505320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5683, 7140, 11366, 14280, 17049, 22732, 28415, 34098, 39781, 45464, 56830, 68196, 79562, 85245, 96611, 113660, 119343, 136392, 159124, 170490, 193222, 198905, 227320, 238686, 289833, 318248, 340980, 386444, 397810, 477372, 483055, 579666, 596715, 676277, 681960, 772888, 795620, 954744, 966110, 1159332, 1193430, 1352554, 1449165, 1591240, 1932220, 2028831, 2318664, 2386860, 2705108, 2898330, 3381385, 3864440, 4057662, 4773720, 5410216, 5796660, 6762770, 8115324, 10144155, 11593320, 13525540, 16230648, 20288310, 27051080, 40576620, 81153240]

約数ペア:

[(1, 81153240), (2, 40576620), (3, 27051080), (4, 20288310), (5, 16230648), (6, 13525540), (7, 11593320), (8, 10144155), (10, 8115324), (12, 6762770), (14, 5796660), (15, 5410216), (17, 4773720), (20, 4057662), (21, 3864440), (24, 3381385), (28, 2898330), (30, 2705108), (34, 2386860), (35, 2318664), (40, 2028831), (42, 1932220), (51, 1591240), (56, 1449165), (60, 1352554), (68, 1193430), (70, 1159332), (84, 966110), (85, 954744), (102, 795620), (105, 772888), (119, 681960), (120, 676277), (136, 596715), (140, 579666), (168, 483055), (170, 477372), (204, 397810), (210, 386444), (238, 340980), (255, 318248), (280, 289833), (340, 238686), (357, 227320), (408, 198905), (420, 193222), (476, 170490), (510, 159124), (595, 136392), (680, 119343), (714, 113660), (840, 96611), (952, 85245), (1020, 79562), (1190, 68196), (1428, 56830), (1785, 45464), (2040, 39781), (2380, 34098), (2856, 28415), (3570, 22732), (4760, 17049), (5683, 14280), (7140, 11366)]