128807460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37663}}^1$

素因数の和:37697

約数の個数: 72

約数和(自身を含む): 411290880

約数和(自身を除く): 282483420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 37663, 75326, 112989, 150652, 188315, 225978, 338967, 376630, 451956, 564945, 677934, 715597, 753260, 1129890, 1355868, 1431194, 1694835, 2146791, 2259780, 2862388, 3389670, 3577985, 4293582, 6440373, 6779340, 7155970, 8587164, 10733955, 12880746, 14311940, 21467910, 25761492, 32201865, 42935820, 64403730, 128807460]

約数ペア:

[(1, 128807460), (2, 64403730), (3, 42935820), (4, 32201865), (5, 25761492), (6, 21467910), (9, 14311940), (10, 12880746), (12, 10733955), (15, 8587164), (18, 7155970), (19, 6779340), (20, 6440373), (30, 4293582), (36, 3577985), (38, 3389670), (45, 2862388), (57, 2259780), (60, 2146791), (76, 1694835), (90, 1431194), (95, 1355868), (114, 1129890), (171, 753260), (180, 715597), (190, 677934), (228, 564945), (285, 451956), (342, 376630), (380, 338967), (570, 225978), (684, 188315), (855, 150652), (1140, 112989), (1710, 75326), (3420, 37663)]