31902120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 107712000

約数和(自身を除く): 75809880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 109, 120, 135, 180, 216, 218, 270, 271, 327, 360, 436, 540, 542, 545, 654, 813, 872, 981, 1080, 1084, 1090, 1308, 1355, 1626, 1635, 1962, 2168, 2180, 2439, 2616, 2710, 2943, 3252, 3270, 3924, 4065, 4360, 4878, 4905, 5420, 5886, 6504, 6540, 7317, 7848, 8130, 9756, 9810, 10840, 11772, 12195, 13080, 14634, 14715, 16260, 19512, 19620, 23544, 24390, 29268, 29430, 29539, 32520, 36585, 39240, 48780, 58536, 58860, 59078, 73170, 88617, 97560, 117720, 118156, 146340, 147695, 177234, 236312, 265851, 292680, 295390, 354468, 443085, 531702, 590780, 708936, 797553, 886170, 1063404, 1181560, 1329255, 1595106, 1772340, 2126808, 2658510, 3190212, 3544680, 3987765, 5317020, 6380424, 7975530, 10634040, 15951060, 31902120]

約数ペア:

[(1, 31902120), (2, 15951060), (3, 10634040), (4, 7975530), (5, 6380424), (6, 5317020), (8, 3987765), (9, 3544680), (10, 3190212), (12, 2658510), (15, 2126808), (18, 1772340), (20, 1595106), (24, 1329255), (27, 1181560), (30, 1063404), (36, 886170), (40, 797553), (45, 708936), (54, 590780), (60, 531702), (72, 443085), (90, 354468), (108, 295390), (109, 292680), (120, 265851), (135, 236312), (180, 177234), (216, 147695), (218, 146340), (270, 118156), (271, 117720), (327, 97560), (360, 88617), (436, 73170), (540, 59078), (542, 58860), (545, 58536), (654, 48780), (813, 39240), (872, 36585), (981, 32520), (1080, 29539), (1084, 29430), (1090, 29268), (1308, 24390), (1355, 23544), (1626, 19620), (1635, 19512), (1962, 16260), (2168, 14715), (2180, 14634), (2439, 13080), (2616, 12195), (2710, 11772), (2943, 10840), (3252, 9810), (3270, 9756), (3924, 8130), (4065, 7848), (4360, 7317), (4878, 6540), (4905, 6504), (5420, 5886)]