81425808

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 238163328

約数和(自身を除く): 156737520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 53, 72, 94, 106, 141, 144, 159, 188, 212, 227, 282, 318, 376, 423, 424, 454, 477, 564, 636, 681, 752, 846, 848, 908, 954, 1128, 1272, 1362, 1692, 1816, 1908, 2043, 2256, 2491, 2544, 2724, 3384, 3632, 3816, 4086, 4982, 5448, 6768, 7473, 7632, 8172, 9964, 10669, 10896, 12031, 14946, 16344, 19928, 21338, 22419, 24062, 29892, 32007, 32688, 36093, 39856, 42676, 44838, 48124, 59784, 64014, 72186, 85352, 89676, 96021, 96248, 108279, 119568, 128028, 144372, 170704, 179352, 192042, 192496, 216558, 256056, 288744, 358704, 384084, 433116, 512112, 565457, 577488, 768168, 866232, 1130914, 1536336, 1696371, 1732464, 2261828, 3392742, 4523656, 5089113, 6785484, 9047312, 10178226, 13570968, 20356452, 27141936, 40712904, 81425808]

約数ペア:

[(1, 81425808), (2, 40712904), (3, 27141936), (4, 20356452), (6, 13570968), (8, 10178226), (9, 9047312), (12, 6785484), (16, 5089113), (18, 4523656), (24, 3392742), (36, 2261828), (47, 1732464), (48, 1696371), (53, 1536336), (72, 1130914), (94, 866232), (106, 768168), (141, 577488), (144, 565457), (159, 512112), (188, 433116), (212, 384084), (227, 358704), (282, 288744), (318, 256056), (376, 216558), (423, 192496), (424, 192042), (454, 179352), (477, 170704), (564, 144372), (636, 128028), (681, 119568), (752, 108279), (846, 96248), (848, 96021), (908, 89676), (954, 85352), (1128, 72186), (1272, 64014), (1362, 59784), (1692, 48124), (1816, 44838), (1908, 42676), (2043, 39856), (2256, 36093), (2491, 32688), (2544, 32007), (2724, 29892), (3384, 24062), (3632, 22419), (3816, 21338), (4086, 19928), (4982, 16344), (5448, 14946), (6768, 12031), (7473, 10896), (7632, 10669), (8172, 9964)]