40975020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11981}}^1$

素因数の和:12015

約数の個数: 72

約数和(自身を含む): 130843440

約数和(自身を除く): 89868420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11981, 23962, 35943, 47924, 59905, 71886, 107829, 119810, 143772, 179715, 215658, 227639, 239620, 359430, 431316, 455278, 539145, 682917, 718860, 910556, 1078290, 1138195, 1365834, 2048751, 2156580, 2276390, 2731668, 3414585, 4097502, 4552780, 6829170, 8195004, 10243755, 13658340, 20487510, 40975020]

約数ペア:

[(1, 40975020), (2, 20487510), (3, 13658340), (4, 10243755), (5, 8195004), (6, 6829170), (9, 4552780), (10, 4097502), (12, 3414585), (15, 2731668), (18, 2276390), (19, 2156580), (20, 2048751), (30, 1365834), (36, 1138195), (38, 1078290), (45, 910556), (57, 718860), (60, 682917), (76, 539145), (90, 455278), (95, 431316), (114, 359430), (171, 239620), (180, 227639), (190, 215658), (228, 179715), (285, 143772), (342, 119810), (380, 107829), (570, 71886), (684, 59905), (855, 47924), (1140, 35943), (1710, 23962), (3420, 11981)]