1231577620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15737}}^1$

素因数の和:15809

約数の個数: 96

約数和(自身を含む): 3257388288

約数和(自身を除く): 2025810668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 1118, 1204, 1505, 1820, 2236, 2795, 3010, 3913, 5590, 6020, 7826, 11180, 15652, 15737, 19565, 31474, 39130, 62948, 78260, 78685, 110159, 157370, 204581, 220318, 314740, 409162, 440636, 550795, 676691, 818324, 1022905, 1101590, 1353382, 1432067, 2045810, 2203180, 2706764, 2864134, 3383455, 4091620, 4736837, 5728268, 6766910, 7160335, 8796983, 9473674, 13533820, 14320670, 17593966, 18947348, 23684185, 28641340, 35187932, 43984915, 47368370, 61578881, 87969830, 94736740, 123157762, 175939660, 246315524, 307894405, 615788810, 1231577620]

約数ペア:

[(1, 1231577620), (2, 615788810), (4, 307894405), (5, 246315524), (7, 175939660), (10, 123157762), (13, 94736740), (14, 87969830), (20, 61578881), (26, 47368370), (28, 43984915), (35, 35187932), (43, 28641340), (52, 23684185), (65, 18947348), (70, 17593966), (86, 14320670), (91, 13533820), (130, 9473674), (140, 8796983), (172, 7160335), (182, 6766910), (215, 5728268), (260, 4736837), (301, 4091620), (364, 3383455), (430, 2864134), (455, 2706764), (559, 2203180), (602, 2045810), (860, 1432067), (910, 1353382), (1118, 1101590), (1204, 1022905), (1505, 818324), (1820, 676691), (2236, 550795), (2795, 440636), (3010, 409162), (3913, 314740), (5590, 220318), (6020, 204581), (7826, 157370), (11180, 110159), (15652, 78685), (15737, 78260), (19565, 62948), (31474, 39130)]