31909170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 88646400

約数和(自身を除く): 56737230

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 37, 38, 51, 57, 74, 85, 89, 95, 102, 111, 114, 170, 178, 185, 190, 222, 255, 267, 285, 323, 370, 445, 510, 534, 555, 570, 629, 646, 703, 890, 969, 1110, 1258, 1335, 1406, 1513, 1615, 1691, 1887, 1938, 2109, 2670, 3026, 3145, 3230, 3293, 3382, 3515, 3774, 4218, 4539, 4845, 5073, 6290, 6586, 7030, 7565, 8455, 9078, 9435, 9690, 9879, 10146, 10545, 11951, 15130, 16465, 16910, 18870, 19758, 21090, 22695, 23902, 25365, 28747, 32930, 35853, 45390, 49395, 50730, 55981, 57494, 59755, 62567, 71706, 86241, 98790, 111962, 119510, 125134, 143735, 167943, 172482, 179265, 187701, 279905, 287470, 312835, 335886, 358530, 375402, 431205, 559810, 625670, 839715, 862410, 938505, 1063639, 1679430, 1877010, 2127278, 3190917, 5318195, 6381834, 10636390, 15954585, 31909170]

約数ペア:

[(1, 31909170), (2, 15954585), (3, 10636390), (5, 6381834), (6, 5318195), (10, 3190917), (15, 2127278), (17, 1877010), (19, 1679430), (30, 1063639), (34, 938505), (37, 862410), (38, 839715), (51, 625670), (57, 559810), (74, 431205), (85, 375402), (89, 358530), (95, 335886), (102, 312835), (111, 287470), (114, 279905), (170, 187701), (178, 179265), (185, 172482), (190, 167943), (222, 143735), (255, 125134), (267, 119510), (285, 111962), (323, 98790), (370, 86241), (445, 71706), (510, 62567), (534, 59755), (555, 57494), (570, 55981), (629, 50730), (646, 49395), (703, 45390), (890, 35853), (969, 32930), (1110, 28747), (1258, 25365), (1335, 23902), (1406, 22695), (1513, 21090), (1615, 19758), (1691, 18870), (1887, 16910), (1938, 16465), (2109, 15130), (2670, 11951), (3026, 10545), (3145, 10146), (3230, 9879), (3293, 9690), (3382, 9435), (3515, 9078), (3774, 8455), (4218, 7565), (4539, 7030), (4845, 6586), (5073, 6290)]