280212240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 320

約数和(自身を含む): 1105643520

約数和(自身を除く): 825431280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 59, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 118, 120, 132, 140, 154, 165, 168, 176, 177, 210, 220, 231, 236, 240, 257, 264, 280, 295, 308, 330, 336, 354, 385, 413, 420, 440, 462, 472, 514, 528, 560, 590, 616, 649, 660, 708, 770, 771, 826, 840, 880, 885, 924, 944, 1028, 1155, 1180, 1232, 1239, 1285, 1298, 1320, 1416, 1540, 1542, 1652, 1680, 1770, 1799, 1848, 1947, 2056, 2065, 2310, 2360, 2478, 2570, 2596, 2640, 2827, 2832, 3080, 3084, 3245, 3304, 3540, 3598, 3696, 3855, 3894, 4112, 4130, 4543, 4620, 4720, 4956, 5140, 5192, 5397, 5654, 6160, 6168, 6195, 6490, 6608, 7080, 7196, 7710, 7788, 8260, 8481, 8995, 9086, 9240, 9735, 9912, 10280, 10384, 10794, 11308, 12336, 12390, 12980, 13629, 14135, 14160, 14392, 15163, 15420, 15576, 16520, 16962, 17990, 18172, 18480, 19470, 19789, 19824, 20560, 21588, 22616, 22715, 24780, 25960, 26985, 27258, 28270, 28784, 30326, 30840, 31152, 33040, 33924, 35980, 36344, 38940, 39578, 42405, 43176, 45232, 45430, 45489, 49560, 51920, 53970, 54516, 56540, 59367, 60652, 61680, 67848, 68145, 71960, 72688, 75815, 77880, 79156, 84810, 86352, 90860, 90978, 98945, 99120, 106141, 107940, 109032, 113080, 118734, 121304, 135696, 136290, 143920, 151630, 155760, 158312, 166793, 169620, 181720, 181956, 197890, 212282, 215880, 218064, 226160, 227445, 237468, 242608, 272580, 296835, 303260, 316624, 318423, 333586, 339240, 363440, 363912, 395780, 424564, 431760, 454890, 474936, 500379, 530705, 545160, 593670, 606520, 636846, 667172, 678480, 727824, 791560, 833965, 849128, 909780, 949872, 1000758, 1061410, 1090320, 1167551, 1187340, 1213040, 1273692, 1334344, 1583120, 1592115, 1667930, 1698256, 1819560, 2001516, 2122820, 2335102, 2374680, 2501895, 2547384, 2668688, 3184230, 3335860, 3502653, 3639120, 4003032, 4245640, 4670204, 4749360, 5003790, 5094768, 5837755, 6368460, 6671720, 7005306, 8006064, 8491280, 9340408, 10007580, 11675510, 12736920, 13343440, 14010612, 17513265, 18680816, 20015160, 23351020, 25473840, 28021224, 35026530, 40030320, 46702040, 56042448, 70053060, 93404080, 140106120, 280212240]

約数ペア:

[(1, 280212240), (2, 140106120), (3, 93404080), (4, 70053060), (5, 56042448), (6, 46702040), (7, 40030320), (8, 35026530), (10, 28021224), (11, 25473840), (12, 23351020), (14, 20015160), (15, 18680816), (16, 17513265), (20, 14010612), (21, 13343440), (22, 12736920), (24, 11675510), (28, 10007580), (30, 9340408), (33, 8491280), (35, 8006064), (40, 7005306), (42, 6671720), (44, 6368460), (48, 5837755), (55, 5094768), (56, 5003790), (59, 4749360), (60, 4670204), (66, 4245640), (70, 4003032), (77, 3639120), (80, 3502653), (84, 3335860), (88, 3184230), (105, 2668688), (110, 2547384), (112, 2501895), (118, 2374680), (120, 2335102), (132, 2122820), (140, 2001516), (154, 1819560), (165, 1698256), (168, 1667930), (176, 1592115), (177, 1583120), (210, 1334344), (220, 1273692), (231, 1213040), (236, 1187340), (240, 1167551), (257, 1090320), (264, 1061410), (280, 1000758), (295, 949872), (308, 909780), (330, 849128), (336, 833965), (354, 791560), (385, 727824), (413, 678480), (420, 667172), (440, 636846), (462, 606520), (472, 593670), (514, 545160), (528, 530705), (560, 500379), (590, 474936), (616, 454890), (649, 431760), (660, 424564), (708, 395780), (770, 363912), (771, 363440), (826, 339240), (840, 333586), (880, 318423), (885, 316624), (924, 303260), (944, 296835), (1028, 272580), (1155, 242608), (1180, 237468), (1232, 227445), (1239, 226160), (1285, 218064), (1298, 215880), (1320, 212282), (1416, 197890), (1540, 181956), (1542, 181720), (1652, 169620), (1680, 166793), (1770, 158312), (1799, 155760), (1848, 151630), (1947, 143920), (2056, 136290), (2065, 135696), (2310, 121304), (2360, 118734), (2478, 113080), (2570, 109032), (2596, 107940), (2640, 106141), (2827, 99120), (2832, 98945), (3080, 90978), (3084, 90860), (3245, 86352), (3304, 84810), (3540, 79156), (3598, 77880), (3696, 75815), (3855, 72688), (3894, 71960), (4112, 68145), (4130, 67848), (4543, 61680), (4620, 60652), (4720, 59367), (4956, 56540), (5140, 54516), (5192, 53970), (5397, 51920), (5654, 49560), (6160, 45489), (6168, 45430), (6195, 45232), (6490, 43176), (6608, 42405), (7080, 39578), (7196, 38940), (7710, 36344), (7788, 35980), (8260, 33924), (8481, 33040), (8995, 31152), (9086, 30840), (9240, 30326), (9735, 28784), (9912, 28270), (10280, 27258), (10384, 26985), (10794, 25960), (11308, 24780), (12336, 22715), (12390, 22616), (12980, 21588), (13629, 20560), (14135, 19824), (14160, 19789), (14392, 19470), (15163, 18480), (15420, 18172), (15576, 17990), (16520, 16962)]