31490100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 103118400

約数和(自身を除く): 71628300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 107, 108, 109, 135, 150, 180, 214, 218, 225, 270, 300, 321, 327, 428, 436, 450, 535, 540, 545, 642, 654, 675, 900, 963, 981, 1070, 1090, 1284, 1308, 1350, 1605, 1635, 1926, 1962, 2140, 2180, 2675, 2700, 2725, 2889, 2943, 3210, 3270, 3852, 3924, 4815, 4905, 5350, 5450, 5778, 5886, 6420, 6540, 8025, 8175, 9630, 9810, 10700, 10900, 11556, 11663, 11772, 14445, 14715, 16050, 16350, 19260, 19620, 23326, 24075, 24525, 28890, 29430, 32100, 32700, 34989, 46652, 48150, 49050, 57780, 58315, 58860, 69978, 72225, 73575, 96300, 98100, 104967, 116630, 139956, 144450, 147150, 174945, 209934, 233260, 288900, 291575, 294300, 314901, 349890, 419868, 524835, 583150, 629802, 699780, 874725, 1049670, 1166300, 1259604, 1574505, 1749450, 2099340, 2624175, 3149010, 3498900, 5248350, 6298020, 7872525, 10496700, 15745050, 31490100]

約数ペア:

[(1, 31490100), (2, 15745050), (3, 10496700), (4, 7872525), (5, 6298020), (6, 5248350), (9, 3498900), (10, 3149010), (12, 2624175), (15, 2099340), (18, 1749450), (20, 1574505), (25, 1259604), (27, 1166300), (30, 1049670), (36, 874725), (45, 699780), (50, 629802), (54, 583150), (60, 524835), (75, 419868), (90, 349890), (100, 314901), (107, 294300), (108, 291575), (109, 288900), (135, 233260), (150, 209934), (180, 174945), (214, 147150), (218, 144450), (225, 139956), (270, 116630), (300, 104967), (321, 98100), (327, 96300), (428, 73575), (436, 72225), (450, 69978), (535, 58860), (540, 58315), (545, 57780), (642, 49050), (654, 48150), (675, 46652), (900, 34989), (963, 32700), (981, 32100), (1070, 29430), (1090, 28890), (1284, 24525), (1308, 24075), (1350, 23326), (1605, 19620), (1635, 19260), (1926, 16350), (1962, 16050), (2140, 14715), (2180, 14445), (2675, 11772), (2700, 11663), (2725, 11556), (2889, 10900), (2943, 10700), (3210, 9810), (3270, 9630), (3852, 8175), (3924, 8025), (4815, 6540), (4905, 6420), (5350, 5886), (5450, 5778)]