155681280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:291

約数の個数: 240

約数和(自身を含む): 560153880

約数和(自身を除く): 404472600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 233, 240, 256, 261, 288, 290, 320, 348, 360, 384, 435, 464, 466, 480, 512, 522, 576, 580, 640, 696, 699, 720, 768, 870, 928, 932, 960, 1044, 1152, 1160, 1165, 1280, 1305, 1392, 1398, 1440, 1536, 1740, 1856, 1864, 1920, 2088, 2097, 2304, 2320, 2330, 2560, 2610, 2784, 2796, 2880, 3480, 3495, 3712, 3728, 3840, 4176, 4194, 4608, 4640, 4660, 5220, 5568, 5592, 5760, 6757, 6960, 6990, 7424, 7456, 7680, 8352, 8388, 9280, 9320, 10440, 10485, 11136, 11184, 11520, 13514, 13920, 13980, 14848, 14912, 16704, 16776, 18560, 18640, 20271, 20880, 20970, 22272, 22368, 23040, 27028, 27840, 27960, 29824, 33408, 33552, 33785, 37120, 37280, 40542, 41760, 41940, 44544, 44736, 54056, 55680, 55920, 59648, 60813, 66816, 67104, 67570, 74240, 74560, 81084, 83520, 83880, 89472, 101355, 108112, 111360, 111840, 119296, 121626, 133632, 134208, 135140, 149120, 162168, 167040, 167760, 178944, 202710, 216224, 222720, 223680, 243252, 268416, 270280, 298240, 304065, 324336, 334080, 335520, 357888, 405420, 432448, 447360, 486504, 536832, 540560, 596480, 608130, 648672, 668160, 671040, 810840, 864896, 894720, 973008, 1073664, 1081120, 1216260, 1297344, 1342080, 1621680, 1729792, 1789440, 1946016, 2162240, 2432520, 2594688, 2684160, 3243360, 3459584, 3892032, 4324480, 4865040, 5189376, 5368320, 6486720, 7784064, 8648960, 9730080, 10378752, 12973440, 15568128, 17297920, 19460160, 25946880, 31136256, 38920320, 51893760, 77840640, 155681280]

約数ペア:

[(1, 155681280), (2, 77840640), (3, 51893760), (4, 38920320), (5, 31136256), (6, 25946880), (8, 19460160), (9, 17297920), (10, 15568128), (12, 12973440), (15, 10378752), (16, 9730080), (18, 8648960), (20, 7784064), (24, 6486720), (29, 5368320), (30, 5189376), (32, 4865040), (36, 4324480), (40, 3892032), (45, 3459584), (48, 3243360), (58, 2684160), (60, 2594688), (64, 2432520), (72, 2162240), (80, 1946016), (87, 1789440), (90, 1729792), (96, 1621680), (116, 1342080), (120, 1297344), (128, 1216260), (144, 1081120), (145, 1073664), (160, 973008), (174, 894720), (180, 864896), (192, 810840), (232, 671040), (233, 668160), (240, 648672), (256, 608130), (261, 596480), (288, 540560), (290, 536832), (320, 486504), (348, 447360), (360, 432448), (384, 405420), (435, 357888), (464, 335520), (466, 334080), (480, 324336), (512, 304065), (522, 298240), (576, 270280), (580, 268416), (640, 243252), (696, 223680), (699, 222720), (720, 216224), (768, 202710), (870, 178944), (928, 167760), (932, 167040), (960, 162168), (1044, 149120), (1152, 135140), (1160, 134208), (1165, 133632), (1280, 121626), (1305, 119296), (1392, 111840), (1398, 111360), (1440, 108112), (1536, 101355), (1740, 89472), (1856, 83880), (1864, 83520), (1920, 81084), (2088, 74560), (2097, 74240), (2304, 67570), (2320, 67104), (2330, 66816), (2560, 60813), (2610, 59648), (2784, 55920), (2796, 55680), (2880, 54056), (3480, 44736), (3495, 44544), (3712, 41940), (3728, 41760), (3840, 40542), (4176, 37280), (4194, 37120), (4608, 33785), (4640, 33552), (4660, 33408), (5220, 29824), (5568, 27960), (5592, 27840), (5760, 27028), (6757, 23040), (6960, 22368), (6990, 22272), (7424, 20970), (7456, 20880), (7680, 20271), (8352, 18640), (8388, 18560), (9280, 16776), (9320, 16704), (10440, 14912), (10485, 14848), (11136, 13980), (11184, 13920), (11520, 13514)]