123672620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 286856640

約数和(自身を除く): 163184020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 67, 68, 85, 89, 122, 134, 170, 178, 244, 268, 305, 335, 340, 356, 445, 610, 670, 890, 1037, 1139, 1220, 1340, 1513, 1780, 2074, 2278, 3026, 4087, 4148, 4556, 5185, 5429, 5695, 5963, 6052, 7565, 8174, 10370, 10858, 11390, 11926, 15130, 16348, 20435, 20740, 21716, 22780, 23852, 27145, 29815, 30260, 40870, 54290, 59630, 69479, 81740, 92293, 101371, 108580, 119260, 138958, 184586, 202742, 277916, 347395, 363743, 369172, 405484, 461465, 506855, 694790, 727486, 922930, 1013710, 1389580, 1454972, 1818715, 1845860, 2027420, 3637430, 6183631, 7274860, 12367262, 24734524, 30918155, 61836310, 123672620]

約数ペア:

[(1, 123672620), (2, 61836310), (4, 30918155), (5, 24734524), (10, 12367262), (17, 7274860), (20, 6183631), (34, 3637430), (61, 2027420), (67, 1845860), (68, 1818715), (85, 1454972), (89, 1389580), (122, 1013710), (134, 922930), (170, 727486), (178, 694790), (244, 506855), (268, 461465), (305, 405484), (335, 369172), (340, 363743), (356, 347395), (445, 277916), (610, 202742), (670, 184586), (890, 138958), (1037, 119260), (1139, 108580), (1220, 101371), (1340, 92293), (1513, 81740), (1780, 69479), (2074, 59630), (2278, 54290), (3026, 40870), (4087, 30260), (4148, 29815), (4556, 27145), (5185, 23852), (5429, 22780), (5695, 21716), (5963, 20740), (6052, 20435), (7565, 16348), (8174, 15130), (10370, 11926), (10858, 11390)]