15854020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 42448896

約数和(自身を除く): 26594876

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 281, 310, 364, 403, 434, 455, 562, 620, 806, 868, 910, 1085, 1124, 1405, 1612, 1820, 1967, 2015, 2170, 2810, 2821, 3653, 3934, 4030, 4340, 5620, 5642, 7306, 7868, 8060, 8711, 9835, 11284, 14105, 14612, 17422, 18265, 19670, 25571, 28210, 34844, 36530, 39340, 43555, 51142, 56420, 60977, 73060, 87110, 102284, 113243, 121954, 127855, 174220, 226486, 243908, 255710, 304885, 452972, 511420, 566215, 609770, 792701, 1132430, 1219540, 1585402, 2264860, 3170804, 3963505, 7927010, 15854020]

約数ペア:

[(1, 15854020), (2, 7927010), (4, 3963505), (5, 3170804), (7, 2264860), (10, 1585402), (13, 1219540), (14, 1132430), (20, 792701), (26, 609770), (28, 566215), (31, 511420), (35, 452972), (52, 304885), (62, 255710), (65, 243908), (70, 226486), (91, 174220), (124, 127855), (130, 121954), (140, 113243), (155, 102284), (182, 87110), (217, 73060), (260, 60977), (281, 56420), (310, 51142), (364, 43555), (403, 39340), (434, 36530), (455, 34844), (562, 28210), (620, 25571), (806, 19670), (868, 18265), (910, 17422), (1085, 14612), (1124, 14105), (1405, 11284), (1612, 9835), (1820, 8711), (1967, 8060), (2015, 7868), (2170, 7306), (2810, 5642), (2821, 5620), (3653, 4340), (3934, 4030)]