320389440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^4\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 280

約数和(自身を含む): 1195242720

約数和(自身を除く): 874853280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 139, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 278, 280, 294, 320, 336, 343, 392, 417, 420, 448, 480, 490, 556, 560, 588, 672, 686, 695, 735, 784, 834, 840, 960, 973, 980, 1029, 1112, 1120, 1176, 1344, 1372, 1390, 1470, 1568, 1668, 1680, 1715, 1946, 1960, 2058, 2085, 2224, 2240, 2352, 2401, 2744, 2780, 2919, 2940, 3136, 3336, 3360, 3430, 3892, 3920, 4116, 4170, 4448, 4704, 4802, 4865, 5145, 5488, 5560, 5838, 5880, 6672, 6720, 6811, 6860, 7203, 7784, 7840, 8232, 8340, 8896, 9408, 9604, 9730, 10290, 10976, 11120, 11676, 11760, 12005, 13344, 13622, 13720, 14406, 14595, 15568, 15680, 16464, 16680, 19208, 19460, 20433, 20580, 21952, 22240, 23352, 23520, 24010, 26688, 27244, 27440, 28812, 29190, 31136, 32928, 33360, 34055, 36015, 38416, 38920, 40866, 41160, 44480, 46704, 47040, 47677, 48020, 54488, 54880, 57624, 58380, 62272, 65856, 66720, 68110, 72030, 76832, 77840, 81732, 82320, 93408, 95354, 96040, 102165, 108976, 109760, 115248, 116760, 133440, 136220, 143031, 144060, 153664, 155680, 163464, 164640, 186816, 190708, 192080, 204330, 217952, 230496, 233520, 238385, 272440, 286062, 288120, 311360, 326928, 329280, 333739, 381416, 384160, 408660, 435904, 460992, 467040, 476770, 544880, 572124, 576240, 653856, 667478, 715155, 762832, 768320, 817320, 934080, 953540, 1001217, 1089760, 1144248, 1152480, 1307712, 1334956, 1430310, 1525664, 1634640, 1668695, 1907080, 2002434, 2179520, 2288496, 2304960, 2669912, 2860620, 3051328, 3269280, 3337390, 3814160, 4004868, 4576992, 5006085, 5339824, 5721240, 6538560, 6674780, 7628320, 8009736, 9153984, 10012170, 10679648, 11442480, 13349560, 15256640, 16019472, 20024340, 21359296, 22884960, 26699120, 32038944, 40048680, 45769920, 53398240, 64077888, 80097360, 106796480, 160194720, 320389440]

約数ペア:

[(1, 320389440), (2, 160194720), (3, 106796480), (4, 80097360), (5, 64077888), (6, 53398240), (7, 45769920), (8, 40048680), (10, 32038944), (12, 26699120), (14, 22884960), (15, 21359296), (16, 20024340), (20, 16019472), (21, 15256640), (24, 13349560), (28, 11442480), (30, 10679648), (32, 10012170), (35, 9153984), (40, 8009736), (42, 7628320), (48, 6674780), (49, 6538560), (56, 5721240), (60, 5339824), (64, 5006085), (70, 4576992), (80, 4004868), (84, 3814160), (96, 3337390), (98, 3269280), (105, 3051328), (112, 2860620), (120, 2669912), (139, 2304960), (140, 2288496), (147, 2179520), (160, 2002434), (168, 1907080), (192, 1668695), (196, 1634640), (210, 1525664), (224, 1430310), (240, 1334956), (245, 1307712), (278, 1152480), (280, 1144248), (294, 1089760), (320, 1001217), (336, 953540), (343, 934080), (392, 817320), (417, 768320), (420, 762832), (448, 715155), (480, 667478), (490, 653856), (556, 576240), (560, 572124), (588, 544880), (672, 476770), (686, 467040), (695, 460992), (735, 435904), (784, 408660), (834, 384160), (840, 381416), (960, 333739), (973, 329280), (980, 326928), (1029, 311360), (1112, 288120), (1120, 286062), (1176, 272440), (1344, 238385), (1372, 233520), (1390, 230496), (1470, 217952), (1568, 204330), (1668, 192080), (1680, 190708), (1715, 186816), (1946, 164640), (1960, 163464), (2058, 155680), (2085, 153664), (2224, 144060), (2240, 143031), (2352, 136220), (2401, 133440), (2744, 116760), (2780, 115248), (2919, 109760), (2940, 108976), (3136, 102165), (3336, 96040), (3360, 95354), (3430, 93408), (3892, 82320), (3920, 81732), (4116, 77840), (4170, 76832), (4448, 72030), (4704, 68110), (4802, 66720), (4865, 65856), (5145, 62272), (5488, 58380), (5560, 57624), (5838, 54880), (5880, 54488), (6672, 48020), (6720, 47677), (6811, 47040), (6860, 46704), (7203, 44480), (7784, 41160), (7840, 40866), (8232, 38920), (8340, 38416), (8896, 36015), (9408, 34055), (9604, 33360), (9730, 32928), (10290, 31136), (10976, 29190), (11120, 28812), (11676, 27440), (11760, 27244), (12005, 26688), (13344, 24010), (13622, 23520), (13720, 23352), (14406, 22240), (14595, 21952), (15568, 20580), (15680, 20433), (16464, 19460), (16680, 19208)]