561681960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 256

約数和(自身を含む): 2020515840

約数和(自身を除く): 1458833880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 47, 56, 60, 70, 82, 84, 94, 105, 120, 123, 140, 141, 164, 168, 188, 205, 210, 235, 246, 280, 282, 287, 328, 329, 347, 376, 410, 420, 470, 492, 564, 574, 615, 658, 694, 705, 820, 840, 861, 940, 984, 987, 1041, 1128, 1148, 1230, 1316, 1388, 1410, 1435, 1640, 1645, 1722, 1735, 1880, 1927, 1974, 2082, 2296, 2429, 2460, 2632, 2776, 2820, 2870, 3290, 3444, 3470, 3854, 3948, 4164, 4305, 4858, 4920, 4935, 5205, 5640, 5740, 5781, 6580, 6888, 6940, 7287, 7708, 7896, 8328, 8610, 9635, 9716, 9870, 10410, 11480, 11562, 12145, 13160, 13489, 13880, 14227, 14574, 15416, 16309, 17220, 19270, 19432, 19740, 20820, 23124, 24290, 26978, 28454, 28905, 29148, 32618, 34440, 36435, 38540, 39480, 40467, 41640, 42681, 46248, 48580, 48927, 53956, 56908, 57810, 58296, 65236, 67445, 71135, 72870, 77080, 80934, 81545, 85362, 97160, 97854, 99589, 107912, 113816, 114163, 115620, 130472, 134890, 142270, 145740, 161868, 163090, 170724, 195708, 199178, 202335, 213405, 228326, 231240, 244635, 269780, 284540, 291480, 298767, 323736, 326180, 341448, 342489, 391416, 398356, 404670, 426810, 456652, 489270, 497945, 539560, 569080, 570815, 597534, 652360, 668669, 684978, 796712, 809340, 853620, 913304, 978540, 995890, 1141630, 1195068, 1337338, 1369956, 1493835, 1618680, 1707240, 1712445, 1957080, 1991780, 2006007, 2283260, 2390136, 2674676, 2739912, 2987670, 3343345, 3424890, 3983560, 4012014, 4566520, 4680683, 5349352, 5975340, 6686690, 6849780, 8024028, 9361366, 10030035, 11950680, 13373380, 13699560, 14042049, 16048056, 18722732, 20060070, 23403415, 26746760, 28084098, 37445464, 40120140, 46806830, 56168196, 70210245, 80240280, 93613660, 112336392, 140420490, 187227320, 280840980, 561681960]

約数ペア:

[(1, 561681960), (2, 280840980), (3, 187227320), (4, 140420490), (5, 112336392), (6, 93613660), (7, 80240280), (8, 70210245), (10, 56168196), (12, 46806830), (14, 40120140), (15, 37445464), (20, 28084098), (21, 26746760), (24, 23403415), (28, 20060070), (30, 18722732), (35, 16048056), (40, 14042049), (41, 13699560), (42, 13373380), (47, 11950680), (56, 10030035), (60, 9361366), (70, 8024028), (82, 6849780), (84, 6686690), (94, 5975340), (105, 5349352), (120, 4680683), (123, 4566520), (140, 4012014), (141, 3983560), (164, 3424890), (168, 3343345), (188, 2987670), (205, 2739912), (210, 2674676), (235, 2390136), (246, 2283260), (280, 2006007), (282, 1991780), (287, 1957080), (328, 1712445), (329, 1707240), (347, 1618680), (376, 1493835), (410, 1369956), (420, 1337338), (470, 1195068), (492, 1141630), (564, 995890), (574, 978540), (615, 913304), (658, 853620), (694, 809340), (705, 796712), (820, 684978), (840, 668669), (861, 652360), (940, 597534), (984, 570815), (987, 569080), (1041, 539560), (1128, 497945), (1148, 489270), (1230, 456652), (1316, 426810), (1388, 404670), (1410, 398356), (1435, 391416), (1640, 342489), (1645, 341448), (1722, 326180), (1735, 323736), (1880, 298767), (1927, 291480), (1974, 284540), (2082, 269780), (2296, 244635), (2429, 231240), (2460, 228326), (2632, 213405), (2776, 202335), (2820, 199178), (2870, 195708), (3290, 170724), (3444, 163090), (3470, 161868), (3854, 145740), (3948, 142270), (4164, 134890), (4305, 130472), (4858, 115620), (4920, 114163), (4935, 113816), (5205, 107912), (5640, 99589), (5740, 97854), (5781, 97160), (6580, 85362), (6888, 81545), (6940, 80934), (7287, 77080), (7708, 72870), (7896, 71135), (8328, 67445), (8610, 65236), (9635, 58296), (9716, 57810), (9870, 56908), (10410, 53956), (11480, 48927), (11562, 48580), (12145, 46248), (13160, 42681), (13489, 41640), (13880, 40467), (14227, 39480), (14574, 38540), (15416, 36435), (16309, 34440), (17220, 32618), (19270, 29148), (19432, 28905), (19740, 28454), (20820, 26978), (23124, 24290)]