83328440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 213736320

約数和(自身を除く): 130407880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 61, 65, 71, 74, 104, 122, 130, 142, 148, 185, 244, 260, 284, 296, 305, 355, 370, 481, 488, 520, 568, 610, 710, 740, 793, 923, 962, 1220, 1420, 1480, 1586, 1846, 1924, 2257, 2405, 2440, 2627, 2840, 3172, 3692, 3848, 3965, 4331, 4514, 4615, 4810, 5254, 6344, 7384, 7930, 8662, 9028, 9230, 9620, 10508, 11285, 13135, 15860, 17324, 18056, 18460, 19240, 21016, 21655, 22570, 26270, 29341, 31720, 34151, 34648, 36920, 43310, 45140, 52540, 56303, 58682, 68302, 86620, 90280, 105080, 112606, 117364, 136604, 146705, 160247, 170755, 173240, 225212, 234728, 273208, 281515, 293410, 320494, 341510, 450424, 563030, 586820, 640988, 683020, 801235, 1126060, 1173640, 1281976, 1366040, 1602470, 2083211, 2252120, 3204940, 4166422, 6409880, 8332844, 10416055, 16665688, 20832110, 41664220, 83328440]

約数ペア:

[(1, 83328440), (2, 41664220), (4, 20832110), (5, 16665688), (8, 10416055), (10, 8332844), (13, 6409880), (20, 4166422), (26, 3204940), (37, 2252120), (40, 2083211), (52, 1602470), (61, 1366040), (65, 1281976), (71, 1173640), (74, 1126060), (104, 801235), (122, 683020), (130, 640988), (142, 586820), (148, 563030), (185, 450424), (244, 341510), (260, 320494), (284, 293410), (296, 281515), (305, 273208), (355, 234728), (370, 225212), (481, 173240), (488, 170755), (520, 160247), (568, 146705), (610, 136604), (710, 117364), (740, 112606), (793, 105080), (923, 90280), (962, 86620), (1220, 68302), (1420, 58682), (1480, 56303), (1586, 52540), (1846, 45140), (1924, 43310), (2257, 36920), (2405, 34648), (2440, 34151), (2627, 31720), (2840, 29341), (3172, 26270), (3692, 22570), (3848, 21655), (3965, 21016), (4331, 19240), (4514, 18460), (4615, 18056), (4810, 17324), (5254, 15860), (6344, 13135), (7384, 11285), (7930, 10508), (8662, 9620), (9028, 9230)]