31118100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 99160320

約数和(自身を除く): 68042220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 79, 100, 101, 130, 150, 156, 158, 195, 202, 237, 260, 300, 303, 316, 325, 390, 395, 404, 474, 505, 606, 650, 780, 790, 948, 975, 1010, 1027, 1185, 1212, 1300, 1313, 1515, 1580, 1950, 1975, 2020, 2054, 2370, 2525, 2626, 3030, 3081, 3900, 3939, 3950, 4108, 4740, 5050, 5135, 5252, 5925, 6060, 6162, 6565, 7575, 7878, 7900, 7979, 10100, 10270, 11850, 12324, 13130, 15150, 15405, 15756, 15958, 19695, 20540, 23700, 23937, 25675, 26260, 30300, 30810, 31916, 32825, 39390, 39895, 47874, 51350, 61620, 65650, 77025, 78780, 79790, 95748, 98475, 102700, 103727, 119685, 131300, 154050, 159580, 196950, 199475, 207454, 239370, 308100, 311181, 393900, 398950, 414908, 478740, 518635, 598425, 622362, 797900, 1037270, 1196850, 1244724, 1555905, 2074540, 2393700, 2593175, 3111810, 5186350, 6223620, 7779525, 10372700, 15559050, 31118100]

約数ペア:

[(1, 31118100), (2, 15559050), (3, 10372700), (4, 7779525), (5, 6223620), (6, 5186350), (10, 3111810), (12, 2593175), (13, 2393700), (15, 2074540), (20, 1555905), (25, 1244724), (26, 1196850), (30, 1037270), (39, 797900), (50, 622362), (52, 598425), (60, 518635), (65, 478740), (75, 414908), (78, 398950), (79, 393900), (100, 311181), (101, 308100), (130, 239370), (150, 207454), (156, 199475), (158, 196950), (195, 159580), (202, 154050), (237, 131300), (260, 119685), (300, 103727), (303, 102700), (316, 98475), (325, 95748), (390, 79790), (395, 78780), (404, 77025), (474, 65650), (505, 61620), (606, 51350), (650, 47874), (780, 39895), (790, 39390), (948, 32825), (975, 31916), (1010, 30810), (1027, 30300), (1185, 26260), (1212, 25675), (1300, 23937), (1313, 23700), (1515, 20540), (1580, 19695), (1950, 15958), (1975, 15756), (2020, 15405), (2054, 15150), (2370, 13130), (2525, 12324), (2626, 11850), (3030, 10270), (3081, 10100), (3900, 7979), (3939, 7900), (3950, 7878), (4108, 7575), (4740, 6565), (5050, 6162), (5135, 6060), (5252, 5925)]