81950040

素因数分解:

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

素因数の和:12017

約数の個数: 96

約数和(自身を含む): 280378800

約数和(自身を除く): 198428760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 11981, 23962, 35943, 47924, 59905, 71886, 95848, 107829, 119810, 143772, 179715, 215658, 227639, 239620, 287544, 359430, 431316, 455278, 479240, 539145, 682917, 718860, 862632, 910556, 1078290, 1138195, 1365834, 1437720, 1821112, 2048751, 2156580, 2276390, 2731668, 3414585, 4097502, 4313160, 4552780, 5463336, 6829170, 8195004, 9105560, 10243755, 13658340, 16390008, 20487510, 27316680, 40975020, 81950040]

約数ペア:

[(1, 81950040), (2, 40975020), (3, 27316680), (4, 20487510), (5, 16390008), (6, 13658340), (8, 10243755), (9, 9105560), (10, 8195004), (12, 6829170), (15, 5463336), (18, 4552780), (19, 4313160), (20, 4097502), (24, 3414585), (30, 2731668), (36, 2276390), (38, 2156580), (40, 2048751), (45, 1821112), (57, 1437720), (60, 1365834), (72, 1138195), (76, 1078290), (90, 910556), (95, 862632), (114, 718860), (120, 682917), (152, 539145), (171, 479240), (180, 455278), (190, 431316), (228, 359430), (285, 287544), (342, 239620), (360, 227639), (380, 215658), (456, 179715), (570, 143772), (684, 119810), (760, 107829), (855, 95848), (1140, 71886), (1368, 59905), (1710, 47924), (2280, 35943), (3420, 23962), (6840, 11981)]