31529680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 92994048

約数和(自身を除く): 61464368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 71, 80, 91, 104, 112, 122, 130, 140, 142, 182, 208, 244, 260, 280, 284, 305, 355, 364, 427, 455, 488, 497, 520, 560, 568, 610, 710, 728, 793, 854, 910, 923, 976, 994, 1040, 1136, 1220, 1420, 1456, 1586, 1708, 1820, 1846, 1988, 2135, 2440, 2485, 2840, 3172, 3416, 3640, 3692, 3965, 3976, 4270, 4331, 4615, 4880, 4970, 5551, 5680, 6344, 6461, 6832, 7280, 7384, 7930, 7952, 8540, 8662, 9230, 9940, 11102, 12688, 12922, 14768, 15860, 17080, 17324, 18460, 19880, 21655, 22204, 25844, 27755, 30317, 31720, 32305, 34160, 34648, 36920, 39760, 43310, 44408, 51688, 55510, 56303, 60634, 63440, 64610, 69296, 73840, 86620, 88816, 103376, 111020, 112606, 121268, 129220, 151585, 173240, 222040, 225212, 242536, 258440, 281515, 303170, 346480, 394121, 444080, 450424, 485072, 516880, 563030, 606340, 788242, 900848, 1126060, 1212680, 1576484, 1970605, 2252120, 2425360, 3152968, 3941210, 4504240, 6305936, 7882420, 15764840, 31529680]

約数ペア:

[(1, 31529680), (2, 15764840), (4, 7882420), (5, 6305936), (7, 4504240), (8, 3941210), (10, 3152968), (13, 2425360), (14, 2252120), (16, 1970605), (20, 1576484), (26, 1212680), (28, 1126060), (35, 900848), (40, 788242), (52, 606340), (56, 563030), (61, 516880), (65, 485072), (70, 450424), (71, 444080), (80, 394121), (91, 346480), (104, 303170), (112, 281515), (122, 258440), (130, 242536), (140, 225212), (142, 222040), (182, 173240), (208, 151585), (244, 129220), (260, 121268), (280, 112606), (284, 111020), (305, 103376), (355, 88816), (364, 86620), (427, 73840), (455, 69296), (488, 64610), (497, 63440), (520, 60634), (560, 56303), (568, 55510), (610, 51688), (710, 44408), (728, 43310), (793, 39760), (854, 36920), (910, 34648), (923, 34160), (976, 32305), (994, 31720), (1040, 30317), (1136, 27755), (1220, 25844), (1420, 22204), (1456, 21655), (1586, 19880), (1708, 18460), (1820, 17324), (1846, 17080), (1988, 15860), (2135, 14768), (2440, 12922), (2485, 12688), (2840, 11102), (3172, 9940), (3416, 9230), (3640, 8662), (3692, 8540), (3965, 7952), (3976, 7930), (4270, 7384), (4331, 7280), (4615, 6832), (4880, 6461), (4970, 6344), (5551, 5680)]