77996880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 180

約数和(自身を含む): 284081148

約数和(自身を除く): 206084268

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 641, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1282, 1352, 1521, 1560, 1690, 1872, 1923, 2028, 2340, 2535, 2564, 2704, 3042, 3120, 3205, 3380, 3846, 4056, 4680, 5070, 5128, 5769, 6084, 6410, 6760, 7605, 7692, 8112, 8333, 9360, 9615, 10140, 10256, 11538, 12168, 12820, 13520, 15210, 15384, 16666, 19230, 20280, 23076, 24336, 24999, 25640, 28845, 30420, 30768, 33332, 38460, 40560, 41665, 46152, 49998, 51280, 57690, 60840, 66664, 74997, 76920, 83330, 92304, 99996, 108329, 115380, 121680, 124995, 133328, 149994, 153840, 166660, 199992, 216658, 230760, 249990, 299988, 324987, 333320, 374985, 399984, 433316, 461520, 499980, 541645, 599976, 649974, 666640, 749970, 866632, 974961, 999960, 1083290, 1199952, 1299948, 1499940, 1624935, 1733264, 1949922, 1999920, 2166580, 2599896, 2999880, 3249870, 3899844, 4333160, 4874805, 5199792, 5999760, 6499740, 7799688, 8666320, 9749610, 12999480, 15599376, 19499220, 25998960, 38998440, 77996880]

約数ペア:

[(1, 77996880), (2, 38998440), (3, 25998960), (4, 19499220), (5, 15599376), (6, 12999480), (8, 9749610), (9, 8666320), (10, 7799688), (12, 6499740), (13, 5999760), (15, 5199792), (16, 4874805), (18, 4333160), (20, 3899844), (24, 3249870), (26, 2999880), (30, 2599896), (36, 2166580), (39, 1999920), (40, 1949922), (45, 1733264), (48, 1624935), (52, 1499940), (60, 1299948), (65, 1199952), (72, 1083290), (78, 999960), (80, 974961), (90, 866632), (104, 749970), (117, 666640), (120, 649974), (130, 599976), (144, 541645), (156, 499980), (169, 461520), (180, 433316), (195, 399984), (208, 374985), (234, 333320), (240, 324987), (260, 299988), (312, 249990), (338, 230760), (360, 216658), (390, 199992), (468, 166660), (507, 153840), (520, 149994), (585, 133328), (624, 124995), (641, 121680), (676, 115380), (720, 108329), (780, 99996), (845, 92304), (936, 83330), (1014, 76920), (1040, 74997), (1170, 66664), (1282, 60840), (1352, 57690), (1521, 51280), (1560, 49998), (1690, 46152), (1872, 41665), (1923, 40560), (2028, 38460), (2340, 33332), (2535, 30768), (2564, 30420), (2704, 28845), (3042, 25640), (3120, 24999), (3205, 24336), (3380, 23076), (3846, 20280), (4056, 19230), (4680, 16666), (5070, 15384), (5128, 15210), (5769, 13520), (6084, 12820), (6410, 12168), (6760, 11538), (7605, 10256), (7692, 10140), (8112, 9615), (8333, 9360)]