139792640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 373610496

約数和(自身を除く): 233817856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 271, 310, 320, 403, 416, 496, 520, 542, 620, 640, 806, 832, 992, 1040, 1084, 1240, 1280, 1355, 1612, 1664, 1984, 2015, 2080, 2168, 2480, 2710, 3224, 3328, 3523, 3968, 4030, 4160, 4336, 4960, 5420, 6448, 7046, 7936, 8060, 8320, 8401, 8672, 9920, 10840, 12896, 14092, 16120, 16640, 16802, 17344, 17615, 19840, 21680, 25792, 28184, 32240, 33604, 34688, 35230, 39680, 42005, 43360, 51584, 56368, 64480, 67208, 69376, 70460, 84010, 86720, 103168, 109213, 112736, 128960, 134416, 140920, 168020, 173440, 218426, 225472, 257920, 268832, 281840, 336040, 346880, 436852, 450944, 515840, 537664, 546065, 563680, 672080, 873704, 901888, 1075328, 1092130, 1127360, 1344160, 1747408, 2150656, 2184260, 2254720, 2688320, 3494816, 4368520, 4509440, 5376640, 6989632, 8737040, 10753280, 13979264, 17474080, 27958528, 34948160, 69896320, 139792640]

約数ペア:

[(1, 139792640), (2, 69896320), (4, 34948160), (5, 27958528), (8, 17474080), (10, 13979264), (13, 10753280), (16, 8737040), (20, 6989632), (26, 5376640), (31, 4509440), (32, 4368520), (40, 3494816), (52, 2688320), (62, 2254720), (64, 2184260), (65, 2150656), (80, 1747408), (104, 1344160), (124, 1127360), (128, 1092130), (130, 1075328), (155, 901888), (160, 873704), (208, 672080), (248, 563680), (256, 546065), (260, 537664), (271, 515840), (310, 450944), (320, 436852), (403, 346880), (416, 336040), (496, 281840), (520, 268832), (542, 257920), (620, 225472), (640, 218426), (806, 173440), (832, 168020), (992, 140920), (1040, 134416), (1084, 128960), (1240, 112736), (1280, 109213), (1355, 103168), (1612, 86720), (1664, 84010), (1984, 70460), (2015, 69376), (2080, 67208), (2168, 64480), (2480, 56368), (2710, 51584), (3224, 43360), (3328, 42005), (3523, 39680), (3968, 35230), (4030, 34688), (4160, 33604), (4336, 32240), (4960, 28184), (5420, 25792), (6448, 21680), (7046, 19840), (7936, 17615), (8060, 17344), (8320, 16802), (8401, 16640), (8672, 16120), (9920, 14092), (10840, 12896)]