28570920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 102928320

約数和(自身を除く): 74357400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 84, 86, 98, 105, 113, 120, 129, 140, 147, 168, 172, 196, 210, 215, 226, 245, 258, 280, 294, 301, 339, 344, 392, 420, 430, 452, 490, 516, 565, 588, 602, 645, 678, 735, 791, 840, 860, 903, 904, 980, 1032, 1130, 1176, 1204, 1290, 1356, 1470, 1505, 1582, 1695, 1720, 1806, 1960, 2107, 2260, 2373, 2408, 2580, 2712, 2940, 3010, 3164, 3390, 3612, 3955, 4214, 4515, 4520, 4746, 4859, 5160, 5537, 5880, 6020, 6321, 6328, 6780, 7224, 7910, 8428, 9030, 9492, 9718, 10535, 11074, 11865, 12040, 12642, 13560, 14577, 15820, 16611, 16856, 18060, 18984, 19436, 21070, 22148, 23730, 24295, 25284, 27685, 29154, 31605, 31640, 33222, 34013, 36120, 38872, 42140, 44296, 47460, 48590, 50568, 55370, 58308, 63210, 66444, 68026, 72885, 83055, 84280, 94920, 97180, 102039, 110740, 116616, 126420, 132888, 136052, 145770, 166110, 170065, 194360, 204078, 221480, 238091, 252840, 272104, 291540, 332220, 340130, 408156, 476182, 510195, 583080, 664440, 680260, 714273, 816312, 952364, 1020390, 1190455, 1360520, 1428546, 1904728, 2040780, 2380910, 2857092, 3571365, 4081560, 4761820, 5714184, 7142730, 9523640, 14285460, 28570920]

約数ペア:

[(1, 28570920), (2, 14285460), (3, 9523640), (4, 7142730), (5, 5714184), (6, 4761820), (7, 4081560), (8, 3571365), (10, 2857092), (12, 2380910), (14, 2040780), (15, 1904728), (20, 1428546), (21, 1360520), (24, 1190455), (28, 1020390), (30, 952364), (35, 816312), (40, 714273), (42, 680260), (43, 664440), (49, 583080), (56, 510195), (60, 476182), (70, 408156), (84, 340130), (86, 332220), (98, 291540), (105, 272104), (113, 252840), (120, 238091), (129, 221480), (140, 204078), (147, 194360), (168, 170065), (172, 166110), (196, 145770), (210, 136052), (215, 132888), (226, 126420), (245, 116616), (258, 110740), (280, 102039), (294, 97180), (301, 94920), (339, 84280), (344, 83055), (392, 72885), (420, 68026), (430, 66444), (452, 63210), (490, 58308), (516, 55370), (565, 50568), (588, 48590), (602, 47460), (645, 44296), (678, 42140), (735, 38872), (791, 36120), (840, 34013), (860, 33222), (903, 31640), (904, 31605), (980, 29154), (1032, 27685), (1130, 25284), (1176, 24295), (1204, 23730), (1290, 22148), (1356, 21070), (1470, 19436), (1505, 18984), (1582, 18060), (1695, 16856), (1720, 16611), (1806, 15820), (1960, 14577), (2107, 13560), (2260, 12642), (2373, 12040), (2408, 11865), (2580, 11074), (2712, 10535), (2940, 9718), (3010, 9492), (3164, 9030), (3390, 8428), (3612, 7910), (3955, 7224), (4214, 6780), (4515, 6328), (4520, 6321), (4746, 6020), (4859, 5880), (5160, 5537)]