80972775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 173322240

約数和(自身を除く): 92349465

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 31, 39, 45, 47, 57, 65, 75, 93, 95, 117, 141, 155, 171, 195, 225, 235, 247, 279, 285, 325, 403, 423, 465, 475, 585, 589, 611, 705, 741, 775, 855, 893, 975, 1175, 1209, 1235, 1395, 1425, 1457, 1767, 1833, 2015, 2115, 2223, 2325, 2679, 2925, 2945, 3055, 3525, 3627, 3705, 4275, 4371, 4465, 5301, 5499, 6045, 6175, 6975, 7285, 7657, 8037, 8835, 9165, 10075, 10575, 11115, 11609, 13113, 13395, 14725, 15275, 18135, 18525, 18941, 21855, 22325, 22971, 26505, 27495, 27683, 30225, 34827, 36425, 38285, 40185, 44175, 45825, 55575, 56823, 58045, 65565, 66975, 68913, 83049, 90675, 94705, 104481, 109275, 114855, 132525, 137475, 138415, 170469, 174135, 191425, 200925, 249147, 284115, 290225, 327825, 344565, 359879, 415245, 473525, 522405, 574275, 692075, 852345, 870675, 1079637, 1245735, 1420575, 1722825, 1799395, 2076225, 2612025, 3238911, 4261725, 5398185, 6228675, 8996975, 16194555, 26990925, 80972775]

約数ペア:

[(1, 80972775), (3, 26990925), (5, 16194555), (9, 8996975), (13, 6228675), (15, 5398185), (19, 4261725), (25, 3238911), (31, 2612025), (39, 2076225), (45, 1799395), (47, 1722825), (57, 1420575), (65, 1245735), (75, 1079637), (93, 870675), (95, 852345), (117, 692075), (141, 574275), (155, 522405), (171, 473525), (195, 415245), (225, 359879), (235, 344565), (247, 327825), (279, 290225), (285, 284115), (325, 249147), (403, 200925), (423, 191425), (465, 174135), (475, 170469), (585, 138415), (589, 137475), (611, 132525), (705, 114855), (741, 109275), (775, 104481), (855, 94705), (893, 90675), (975, 83049), (1175, 68913), (1209, 66975), (1235, 65565), (1395, 58045), (1425, 56823), (1457, 55575), (1767, 45825), (1833, 44175), (2015, 40185), (2115, 38285), (2223, 36425), (2325, 34827), (2679, 30225), (2925, 27683), (2945, 27495), (3055, 26505), (3525, 22971), (3627, 22325), (3705, 21855), (4275, 18941), (4371, 18525), (4465, 18135), (5301, 15275), (5499, 14725), (6045, 13395), (6175, 13113), (6975, 11609), (7285, 11115), (7657, 10575), (8037, 10075), (8835, 9165)]