255290640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 890568000

約数和(自身を除く): 635277360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 59, 60, 66, 80, 88, 110, 118, 120, 121, 132, 149, 165, 176, 177, 220, 236, 240, 242, 264, 295, 298, 330, 354, 363, 440, 447, 472, 484, 528, 590, 596, 605, 649, 660, 708, 726, 745, 880, 885, 894, 944, 968, 1180, 1192, 1210, 1298, 1320, 1416, 1452, 1490, 1639, 1770, 1788, 1815, 1936, 1947, 2235, 2360, 2384, 2420, 2596, 2640, 2832, 2904, 2980, 3245, 3278, 3540, 3576, 3630, 3894, 4470, 4720, 4840, 4917, 5192, 5808, 5960, 6490, 6556, 7080, 7139, 7152, 7260, 7788, 8195, 8791, 8940, 9680, 9735, 9834, 10384, 11920, 12980, 13112, 14160, 14278, 14520, 15576, 16390, 17582, 17880, 18029, 19470, 19668, 21417, 24585, 25960, 26224, 26373, 28556, 29040, 31152, 32780, 35164, 35695, 35760, 36058, 38940, 39336, 42834, 43955, 49170, 51920, 52746, 54087, 57112, 65560, 70328, 71390, 72116, 77880, 78672, 85668, 87910, 90145, 96701, 98340, 105492, 107085, 108174, 114224, 131120, 131865, 140656, 142780, 144232, 155760, 171336, 175820, 180290, 193402, 196680, 210984, 214170, 216348, 263730, 270435, 285560, 288464, 290103, 342672, 351640, 360580, 386804, 393360, 421968, 428340, 432696, 483505, 527460, 540870, 571120, 580206, 703280, 721160, 773608, 856680, 865392, 967010, 1054920, 1063711, 1081740, 1160412, 1442320, 1450515, 1547216, 1713360, 1934020, 2109840, 2127422, 2163480, 2320824, 2901030, 3191133, 3868040, 4254844, 4326960, 4641648, 5318555, 5802060, 6382266, 7736080, 8509688, 10637110, 11604120, 12764532, 15955665, 17019376, 21274220, 23208240, 25529064, 31911330, 42548440, 51058128, 63822660, 85096880, 127645320, 255290640]

約数ペア:

[(1, 255290640), (2, 127645320), (3, 85096880), (4, 63822660), (5, 51058128), (6, 42548440), (8, 31911330), (10, 25529064), (11, 23208240), (12, 21274220), (15, 17019376), (16, 15955665), (20, 12764532), (22, 11604120), (24, 10637110), (30, 8509688), (33, 7736080), (40, 6382266), (44, 5802060), (48, 5318555), (55, 4641648), (59, 4326960), (60, 4254844), (66, 3868040), (80, 3191133), (88, 2901030), (110, 2320824), (118, 2163480), (120, 2127422), (121, 2109840), (132, 1934020), (149, 1713360), (165, 1547216), (176, 1450515), (177, 1442320), (220, 1160412), (236, 1081740), (240, 1063711), (242, 1054920), (264, 967010), (295, 865392), (298, 856680), (330, 773608), (354, 721160), (363, 703280), (440, 580206), (447, 571120), (472, 540870), (484, 527460), (528, 483505), (590, 432696), (596, 428340), (605, 421968), (649, 393360), (660, 386804), (708, 360580), (726, 351640), (745, 342672), (880, 290103), (885, 288464), (894, 285560), (944, 270435), (968, 263730), (1180, 216348), (1192, 214170), (1210, 210984), (1298, 196680), (1320, 193402), (1416, 180290), (1452, 175820), (1490, 171336), (1639, 155760), (1770, 144232), (1788, 142780), (1815, 140656), (1936, 131865), (1947, 131120), (2235, 114224), (2360, 108174), (2384, 107085), (2420, 105492), (2596, 98340), (2640, 96701), (2832, 90145), (2904, 87910), (2980, 85668), (3245, 78672), (3278, 77880), (3540, 72116), (3576, 71390), (3630, 70328), (3894, 65560), (4470, 57112), (4720, 54087), (4840, 52746), (4917, 51920), (5192, 49170), (5808, 43955), (5960, 42834), (6490, 39336), (6556, 38940), (7080, 36058), (7139, 35760), (7152, 35695), (7260, 35164), (7788, 32780), (8195, 31152), (8791, 29040), (8940, 28556), (9680, 26373), (9735, 26224), (9834, 25960), (10384, 24585), (11920, 21417), (12980, 19668), (13112, 19470), (14160, 18029), (14278, 17880), (14520, 17582), (15576, 16390)]