31501120

素因数分解:

$2^6\times 5^1\times 7^4\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 140

約数和(自身を含む): 89643204

約数和(自身を除く): 58142084

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 320, 328, 343, 392, 410, 448, 490, 560, 574, 656, 686, 784, 820, 980, 1120, 1148, 1312, 1372, 1435, 1568, 1640, 1715, 1960, 2009, 2240, 2296, 2401, 2624, 2744, 2870, 3136, 3280, 3430, 3920, 4018, 4592, 4802, 5488, 5740, 6560, 6860, 7840, 8036, 9184, 9604, 10045, 10976, 11480, 12005, 13120, 13720, 14063, 15680, 16072, 18368, 19208, 20090, 21952, 22960, 24010, 27440, 28126, 32144, 38416, 40180, 45920, 48020, 54880, 56252, 64288, 70315, 76832, 80360, 91840, 96040, 98441, 109760, 112504, 128576, 140630, 153664, 160720, 192080, 196882, 225008, 281260, 321440, 384160, 393764, 450016, 492205, 562520, 642880, 768320, 787528, 900032, 984410, 1125040, 1575056, 1968820, 2250080, 3150112, 3937640, 4500160, 6300224, 7875280, 15750560, 31501120]

約数ペア:

[(1, 31501120), (2, 15750560), (4, 7875280), (5, 6300224), (7, 4500160), (8, 3937640), (10, 3150112), (14, 2250080), (16, 1968820), (20, 1575056), (28, 1125040), (32, 984410), (35, 900032), (40, 787528), (41, 768320), (49, 642880), (56, 562520), (64, 492205), (70, 450016), (80, 393764), (82, 384160), (98, 321440), (112, 281260), (140, 225008), (160, 196882), (164, 192080), (196, 160720), (205, 153664), (224, 140630), (245, 128576), (280, 112504), (287, 109760), (320, 98441), (328, 96040), (343, 91840), (392, 80360), (410, 76832), (448, 70315), (490, 64288), (560, 56252), (574, 54880), (656, 48020), (686, 45920), (784, 40180), (820, 38416), (980, 32144), (1120, 28126), (1148, 27440), (1312, 24010), (1372, 22960), (1435, 21952), (1568, 20090), (1640, 19208), (1715, 18368), (1960, 16072), (2009, 15680), (2240, 14063), (2296, 13720), (2401, 13120), (2624, 12005), (2744, 11480), (2870, 10976), (3136, 10045), (3280, 9604), (3430, 9184), (3920, 8036), (4018, 7840), (4592, 6860), (4802, 6560), (5488, 5740)]