28710240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 100590336

約数和(自身を除く): 71880096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 96, 104, 107, 120, 129, 130, 156, 160, 172, 195, 208, 214, 215, 240, 258, 260, 312, 321, 344, 390, 416, 428, 430, 480, 516, 520, 535, 559, 624, 642, 645, 688, 780, 856, 860, 1032, 1040, 1070, 1118, 1248, 1284, 1290, 1376, 1391, 1560, 1605, 1677, 1712, 1720, 2064, 2080, 2140, 2236, 2568, 2580, 2782, 2795, 3120, 3210, 3354, 3424, 3440, 4128, 4173, 4280, 4472, 4601, 5136, 5160, 5564, 5590, 6240, 6420, 6708, 6880, 6955, 8346, 8385, 8560, 8944, 9202, 10272, 10320, 11128, 11180, 12840, 13416, 13803, 13910, 16692, 16770, 17120, 17888, 18404, 20640, 20865, 22256, 22360, 23005, 25680, 26832, 27606, 27820, 33384, 33540, 36808, 41730, 44512, 44720, 46010, 51360, 53664, 55212, 55640, 59813, 66768, 67080, 69015, 73616, 83460, 89440, 92020, 110424, 111280, 119626, 133536, 134160, 138030, 147232, 166920, 179439, 184040, 220848, 222560, 239252, 268320, 276060, 299065, 333840, 358878, 368080, 441696, 478504, 552120, 598130, 667680, 717756, 736160, 897195, 957008, 1104240, 1196260, 1435512, 1794390, 1914016, 2208480, 2392520, 2871024, 3588780, 4785040, 5742048, 7177560, 9570080, 14355120, 28710240]

約数ペア:

[(1, 28710240), (2, 14355120), (3, 9570080), (4, 7177560), (5, 5742048), (6, 4785040), (8, 3588780), (10, 2871024), (12, 2392520), (13, 2208480), (15, 1914016), (16, 1794390), (20, 1435512), (24, 1196260), (26, 1104240), (30, 957008), (32, 897195), (39, 736160), (40, 717756), (43, 667680), (48, 598130), (52, 552120), (60, 478504), (65, 441696), (78, 368080), (80, 358878), (86, 333840), (96, 299065), (104, 276060), (107, 268320), (120, 239252), (129, 222560), (130, 220848), (156, 184040), (160, 179439), (172, 166920), (195, 147232), (208, 138030), (214, 134160), (215, 133536), (240, 119626), (258, 111280), (260, 110424), (312, 92020), (321, 89440), (344, 83460), (390, 73616), (416, 69015), (428, 67080), (430, 66768), (480, 59813), (516, 55640), (520, 55212), (535, 53664), (559, 51360), (624, 46010), (642, 44720), (645, 44512), (688, 41730), (780, 36808), (856, 33540), (860, 33384), (1032, 27820), (1040, 27606), (1070, 26832), (1118, 25680), (1248, 23005), (1284, 22360), (1290, 22256), (1376, 20865), (1391, 20640), (1560, 18404), (1605, 17888), (1677, 17120), (1712, 16770), (1720, 16692), (2064, 13910), (2080, 13803), (2140, 13416), (2236, 12840), (2568, 11180), (2580, 11128), (2782, 10320), (2795, 10272), (3120, 9202), (3210, 8944), (3354, 8560), (3424, 8385), (3440, 8346), (4128, 6955), (4173, 6880), (4280, 6708), (4472, 6420), (4601, 6240), (5136, 5590), (5160, 5564)]