28746480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 103707648

約数和(自身を除く): 74961168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 241, 280, 284, 336, 355, 420, 426, 482, 497, 560, 568, 710, 723, 840, 852, 964, 994, 1065, 1136, 1205, 1420, 1446, 1491, 1680, 1687, 1704, 1928, 1988, 2130, 2410, 2485, 2840, 2892, 2982, 3374, 3408, 3615, 3856, 3976, 4260, 4820, 4970, 5061, 5680, 5784, 5964, 6748, 7230, 7455, 7952, 8435, 8520, 9640, 9940, 10122, 11568, 11928, 13496, 14460, 14910, 16870, 17040, 17111, 19280, 19880, 20244, 23856, 25305, 26992, 28920, 29820, 33740, 34222, 39760, 40488, 50610, 51333, 57840, 59640, 67480, 68444, 80976, 85555, 101220, 102666, 119280, 119777, 134960, 136888, 171110, 202440, 205332, 239554, 256665, 273776, 342220, 359331, 404880, 410664, 479108, 513330, 598885, 684440, 718662, 821328, 958216, 1026660, 1197770, 1368880, 1437324, 1796655, 1916432, 2053320, 2395540, 2874648, 3593310, 4106640, 4791080, 5749296, 7186620, 9582160, 14373240, 28746480]

約数ペア:

[(1, 28746480), (2, 14373240), (3, 9582160), (4, 7186620), (5, 5749296), (6, 4791080), (7, 4106640), (8, 3593310), (10, 2874648), (12, 2395540), (14, 2053320), (15, 1916432), (16, 1796655), (20, 1437324), (21, 1368880), (24, 1197770), (28, 1026660), (30, 958216), (35, 821328), (40, 718662), (42, 684440), (48, 598885), (56, 513330), (60, 479108), (70, 410664), (71, 404880), (80, 359331), (84, 342220), (105, 273776), (112, 256665), (120, 239554), (140, 205332), (142, 202440), (168, 171110), (210, 136888), (213, 134960), (240, 119777), (241, 119280), (280, 102666), (284, 101220), (336, 85555), (355, 80976), (420, 68444), (426, 67480), (482, 59640), (497, 57840), (560, 51333), (568, 50610), (710, 40488), (723, 39760), (840, 34222), (852, 33740), (964, 29820), (994, 28920), (1065, 26992), (1136, 25305), (1205, 23856), (1420, 20244), (1446, 19880), (1491, 19280), (1680, 17111), (1687, 17040), (1704, 16870), (1928, 14910), (1988, 14460), (2130, 13496), (2410, 11928), (2485, 11568), (2840, 10122), (2892, 9940), (2982, 9640), (3374, 8520), (3408, 8435), (3615, 7952), (3856, 7455), (3976, 7230), (4260, 6748), (4820, 5964), (4970, 5784), (5061, 5680)]