208742640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:351

約数の個数: 160

約数和(自身を含む): 671742720

約数和(自身を除く): 463000080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 113, 120, 129, 172, 179, 215, 226, 240, 258, 339, 344, 358, 430, 452, 516, 537, 565, 645, 678, 688, 716, 860, 895, 904, 1032, 1074, 1130, 1290, 1356, 1432, 1695, 1720, 1790, 1808, 2064, 2148, 2260, 2580, 2685, 2712, 2864, 3390, 3440, 3580, 4296, 4520, 4859, 5160, 5370, 5424, 6780, 7160, 7697, 8592, 9040, 9718, 10320, 10740, 13560, 14320, 14577, 15394, 19436, 20227, 21480, 23091, 24295, 27120, 29154, 30788, 38485, 38872, 40454, 42960, 46182, 48590, 58308, 60681, 61576, 72885, 76970, 77744, 80908, 92364, 97180, 101135, 115455, 116616, 121362, 123152, 145770, 153940, 161816, 184728, 194360, 202270, 230910, 233232, 242724, 291540, 303405, 307880, 323632, 369456, 388720, 404540, 461820, 485448, 583080, 606810, 615760, 809080, 869761, 923640, 970896, 1166160, 1213620, 1618160, 1739522, 1847280, 2427240, 2609283, 3479044, 4348805, 4854480, 5218566, 6958088, 8697610, 10437132, 13046415, 13916176, 17395220, 20874264, 26092830, 34790440, 41748528, 52185660, 69580880, 104371320, 208742640]

約数ペア:

[(1, 208742640), (2, 104371320), (3, 69580880), (4, 52185660), (5, 41748528), (6, 34790440), (8, 26092830), (10, 20874264), (12, 17395220), (15, 13916176), (16, 13046415), (20, 10437132), (24, 8697610), (30, 6958088), (40, 5218566), (43, 4854480), (48, 4348805), (60, 3479044), (80, 2609283), (86, 2427240), (113, 1847280), (120, 1739522), (129, 1618160), (172, 1213620), (179, 1166160), (215, 970896), (226, 923640), (240, 869761), (258, 809080), (339, 615760), (344, 606810), (358, 583080), (430, 485448), (452, 461820), (516, 404540), (537, 388720), (565, 369456), (645, 323632), (678, 307880), (688, 303405), (716, 291540), (860, 242724), (895, 233232), (904, 230910), (1032, 202270), (1074, 194360), (1130, 184728), (1290, 161816), (1356, 153940), (1432, 145770), (1695, 123152), (1720, 121362), (1790, 116616), (1808, 115455), (2064, 101135), (2148, 97180), (2260, 92364), (2580, 80908), (2685, 77744), (2712, 76970), (2864, 72885), (3390, 61576), (3440, 60681), (3580, 58308), (4296, 48590), (4520, 46182), (4859, 42960), (5160, 40454), (5370, 38872), (5424, 38485), (6780, 30788), (7160, 29154), (7697, 27120), (8592, 24295), (9040, 23091), (9718, 21480), (10320, 20227), (10740, 19436), (13560, 15394), (14320, 14577)]