15884120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 44789760

約数和(自身を除く): 28905640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 71, 85, 94, 119, 136, 140, 142, 170, 188, 235, 238, 280, 284, 329, 340, 355, 376, 470, 476, 497, 568, 595, 658, 680, 710, 799, 940, 952, 994, 1190, 1207, 1316, 1420, 1598, 1645, 1880, 1988, 2380, 2414, 2485, 2632, 2840, 3196, 3290, 3337, 3976, 3995, 4760, 4828, 4970, 5593, 6035, 6392, 6580, 6674, 7990, 8449, 9656, 9940, 11186, 12070, 13160, 13348, 15980, 16685, 16898, 19880, 22372, 23359, 24140, 26696, 27965, 31960, 33370, 33796, 42245, 44744, 46718, 48280, 55930, 56729, 66740, 67592, 84490, 93436, 111860, 113458, 116795, 133480, 168980, 186872, 223720, 226916, 233590, 283645, 337960, 397103, 453832, 467180, 567290, 794206, 934360, 1134580, 1588412, 1985515, 2269160, 3176824, 3971030, 7942060, 15884120]

約数ペア:

[(1, 15884120), (2, 7942060), (4, 3971030), (5, 3176824), (7, 2269160), (8, 1985515), (10, 1588412), (14, 1134580), (17, 934360), (20, 794206), (28, 567290), (34, 467180), (35, 453832), (40, 397103), (47, 337960), (56, 283645), (68, 233590), (70, 226916), (71, 223720), (85, 186872), (94, 168980), (119, 133480), (136, 116795), (140, 113458), (142, 111860), (170, 93436), (188, 84490), (235, 67592), (238, 66740), (280, 56729), (284, 55930), (329, 48280), (340, 46718), (355, 44744), (376, 42245), (470, 33796), (476, 33370), (497, 31960), (568, 27965), (595, 26696), (658, 24140), (680, 23359), (710, 22372), (799, 19880), (940, 16898), (952, 16685), (994, 15980), (1190, 13348), (1207, 13160), (1316, 12070), (1420, 11186), (1598, 9940), (1645, 9656), (1880, 8449), (1988, 7990), (2380, 6674), (2414, 6580), (2485, 6392), (2632, 6035), (2840, 5593), (3196, 4970), (3290, 4828), (3337, 4760), (3976, 3995)]