2019380520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{16981}}^1$

素因数の和:17986

約数の個数: 64

約数和(自身を含む): 6064611840

約数和(自身を除く): 4045231320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 991, 1982, 2973, 3964, 4955, 5946, 7928, 9910, 11892, 14865, 16981, 19820, 23784, 29730, 33962, 39640, 50943, 59460, 67924, 84905, 101886, 118920, 135848, 169810, 203772, 254715, 339620, 407544, 509430, 679240, 1018860, 2037720, 16828171, 33656342, 50484513, 67312684, 84140855, 100969026, 134625368, 168281710, 201938052, 252422565, 336563420, 403876104, 504845130, 673126840, 1009690260, 2019380520]

約数ペア:

[(1, 2019380520), (2, 1009690260), (3, 673126840), (4, 504845130), (5, 403876104), (6, 336563420), (8, 252422565), (10, 201938052), (12, 168281710), (15, 134625368), (20, 100969026), (24, 84140855), (30, 67312684), (40, 50484513), (60, 33656342), (120, 16828171), (991, 2037720), (1982, 1018860), (2973, 679240), (3964, 509430), (4955, 407544), (5946, 339620), (7928, 254715), (9910, 203772), (11892, 169810), (14865, 135848), (16981, 118920), (19820, 101886), (23784, 84905), (29730, 67924), (33962, 59460), (39640, 50943)]