863221680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:836

約数の個数: 240

約数和(自身を含む): 3090204000

約数和(自身を除く): 2226982320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 89, 90, 95, 114, 120, 144, 152, 171, 178, 180, 190, 228, 240, 267, 285, 304, 342, 356, 360, 380, 445, 456, 534, 570, 684, 709, 712, 720, 760, 801, 855, 890, 912, 1068, 1140, 1335, 1368, 1418, 1424, 1520, 1602, 1691, 1710, 1780, 2127, 2136, 2280, 2670, 2736, 2836, 3204, 3382, 3420, 3545, 3560, 4005, 4254, 4272, 4560, 5073, 5340, 5672, 6381, 6408, 6764, 6840, 7090, 7120, 8010, 8455, 8508, 10146, 10635, 10680, 11344, 12762, 12816, 13471, 13528, 13680, 14180, 15219, 16020, 16910, 17016, 20292, 21270, 21360, 25365, 25524, 26942, 27056, 28360, 30438, 31905, 32040, 33820, 34032, 40413, 40584, 42540, 50730, 51048, 53884, 56720, 60876, 63101, 63810, 64080, 67355, 67640, 76095, 80826, 81168, 85080, 101460, 102096, 107768, 121239, 121752, 126202, 127620, 134710, 135280, 152190, 161652, 170160, 189303, 202065, 202920, 215536, 242478, 243504, 252404, 255240, 269420, 304380, 315505, 323304, 378606, 404130, 405840, 484956, 504808, 510480, 538840, 567909, 606195, 608760, 631010, 646608, 757212, 808260, 946515, 969912, 1009616, 1077680, 1135818, 1198919, 1212390, 1217520, 1262020, 1514424, 1616520, 1893030, 1939824, 2271636, 2397838, 2424780, 2524040, 2839545, 3028848, 3233040, 3596757, 3786060, 4543272, 4795676, 4849560, 5048080, 5679090, 5994595, 7193514, 7572120, 9086544, 9591352, 9699120, 10790271, 11358180, 11989190, 14387028, 15144240, 17983785, 19182704, 21580542, 22716360, 23978380, 28774056, 35967570, 43161084, 45432720, 47956760, 53951355, 57548112, 71935140, 86322168, 95913520, 107902710, 143870280, 172644336, 215805420, 287740560, 431610840, 863221680]

約数ペア:

[(1, 863221680), (2, 431610840), (3, 287740560), (4, 215805420), (5, 172644336), (6, 143870280), (8, 107902710), (9, 95913520), (10, 86322168), (12, 71935140), (15, 57548112), (16, 53951355), (18, 47956760), (19, 45432720), (20, 43161084), (24, 35967570), (30, 28774056), (36, 23978380), (38, 22716360), (40, 21580542), (45, 19182704), (48, 17983785), (57, 15144240), (60, 14387028), (72, 11989190), (76, 11358180), (80, 10790271), (89, 9699120), (90, 9591352), (95, 9086544), (114, 7572120), (120, 7193514), (144, 5994595), (152, 5679090), (171, 5048080), (178, 4849560), (180, 4795676), (190, 4543272), (228, 3786060), (240, 3596757), (267, 3233040), (285, 3028848), (304, 2839545), (342, 2524040), (356, 2424780), (360, 2397838), (380, 2271636), (445, 1939824), (456, 1893030), (534, 1616520), (570, 1514424), (684, 1262020), (709, 1217520), (712, 1212390), (720, 1198919), (760, 1135818), (801, 1077680), (855, 1009616), (890, 969912), (912, 946515), (1068, 808260), (1140, 757212), (1335, 646608), (1368, 631010), (1418, 608760), (1424, 606195), (1520, 567909), (1602, 538840), (1691, 510480), (1710, 504808), (1780, 484956), (2127, 405840), (2136, 404130), (2280, 378606), (2670, 323304), (2736, 315505), (2836, 304380), (3204, 269420), (3382, 255240), (3420, 252404), (3545, 243504), (3560, 242478), (4005, 215536), (4254, 202920), (4272, 202065), (4560, 189303), (5073, 170160), (5340, 161652), (5672, 152190), (6381, 135280), (6408, 134710), (6764, 127620), (6840, 126202), (7090, 121752), (7120, 121239), (8010, 107768), (8455, 102096), (8508, 101460), (10146, 85080), (10635, 81168), (10680, 80826), (11344, 76095), (12762, 67640), (12816, 67355), (13471, 64080), (13528, 63810), (13680, 63101), (14180, 60876), (15219, 56720), (16020, 53884), (16910, 51048), (17016, 50730), (20292, 42540), (21270, 40584), (21360, 40413), (25365, 34032), (25524, 33820), (26942, 32040), (27056, 31905), (28360, 30438)]