42347240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 67968280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 37, 40, 52, 62, 65, 71, 74, 104, 124, 130, 142, 148, 155, 185, 248, 260, 284, 296, 310, 355, 370, 403, 481, 520, 568, 620, 710, 740, 806, 923, 962, 1147, 1240, 1420, 1480, 1612, 1846, 1924, 2015, 2201, 2294, 2405, 2627, 2840, 3224, 3692, 3848, 4030, 4402, 4588, 4615, 4810, 5254, 5735, 7384, 8060, 8804, 9176, 9230, 9620, 10508, 11005, 11470, 13135, 14911, 16120, 17608, 18460, 19240, 21016, 22010, 22940, 26270, 28613, 29822, 34151, 36920, 44020, 45880, 52540, 57226, 59644, 68302, 74555, 81437, 88040, 105080, 114452, 119288, 136604, 143065, 149110, 162874, 170755, 228904, 273208, 286130, 298220, 325748, 341510, 407185, 572260, 596440, 651496, 683020, 814370, 1058681, 1144520, 1366040, 1628740, 2117362, 3257480, 4234724, 5293405, 8469448, 10586810, 21173620, 42347240]

約数ペア:

[(1, 42347240), (2, 21173620), (4, 10586810), (5, 8469448), (8, 5293405), (10, 4234724), (13, 3257480), (20, 2117362), (26, 1628740), (31, 1366040), (37, 1144520), (40, 1058681), (52, 814370), (62, 683020), (65, 651496), (71, 596440), (74, 572260), (104, 407185), (124, 341510), (130, 325748), (142, 298220), (148, 286130), (155, 273208), (185, 228904), (248, 170755), (260, 162874), (284, 149110), (296, 143065), (310, 136604), (355, 119288), (370, 114452), (403, 105080), (481, 88040), (520, 81437), (568, 74555), (620, 68302), (710, 59644), (740, 57226), (806, 52540), (923, 45880), (962, 44020), (1147, 36920), (1240, 34151), (1420, 29822), (1480, 28613), (1612, 26270), (1846, 22940), (1924, 22010), (2015, 21016), (2201, 19240), (2294, 18460), (2405, 17608), (2627, 16120), (2840, 14911), (3224, 13135), (3692, 11470), (3848, 11005), (4030, 10508), (4402, 9620), (4588, 9230), (4615, 9176), (4810, 8804), (5254, 8060), (5735, 7384)]