193231980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 610449840

約数和(自身を除く): 417217860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 181, 270, 324, 362, 405, 540, 543, 659, 724, 810, 905, 1086, 1318, 1620, 1629, 1810, 1977, 2172, 2636, 2715, 3258, 3295, 3620, 3954, 4887, 5430, 5931, 6516, 6590, 7908, 8145, 9774, 9885, 10860, 11862, 13180, 14661, 16290, 17793, 19548, 19770, 23724, 24435, 29322, 29655, 32580, 35586, 39540, 48870, 53379, 58644, 59310, 71172, 73305, 88965, 97740, 106758, 118620, 119279, 146610, 177930, 213516, 238558, 266895, 293220, 355860, 357837, 477116, 533790, 596395, 715674, 1067580, 1073511, 1192790, 1431348, 1789185, 2147022, 2385580, 3220533, 3578370, 4294044, 5367555, 6441066, 7156740, 9661599, 10735110, 12882132, 16102665, 19323198, 21470220, 32205330, 38646396, 48307995, 64410660, 96615990, 193231980]

約数ペア:

[(1, 193231980), (2, 96615990), (3, 64410660), (4, 48307995), (5, 38646396), (6, 32205330), (9, 21470220), (10, 19323198), (12, 16102665), (15, 12882132), (18, 10735110), (20, 9661599), (27, 7156740), (30, 6441066), (36, 5367555), (45, 4294044), (54, 3578370), (60, 3220533), (81, 2385580), (90, 2147022), (108, 1789185), (135, 1431348), (162, 1192790), (180, 1073511), (181, 1067580), (270, 715674), (324, 596395), (362, 533790), (405, 477116), (540, 357837), (543, 355860), (659, 293220), (724, 266895), (810, 238558), (905, 213516), (1086, 177930), (1318, 146610), (1620, 119279), (1629, 118620), (1810, 106758), (1977, 97740), (2172, 88965), (2636, 73305), (2715, 71172), (3258, 59310), (3295, 58644), (3620, 53379), (3954, 48870), (4887, 39540), (5430, 35586), (5931, 32580), (6516, 29655), (6590, 29322), (7908, 24435), (8145, 23724), (9774, 19770), (9885, 19548), (10860, 17793), (11862, 16290), (13180, 14661)]