398717640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1261

約数の個数: 160

約数和(自身を含む): 1353627000

約数和(自身を除く): 954909360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 109, 120, 135, 162, 180, 216, 218, 270, 324, 327, 360, 405, 436, 540, 545, 648, 654, 810, 872, 981, 1080, 1090, 1129, 1308, 1620, 1635, 1962, 2180, 2258, 2616, 2943, 3240, 3270, 3387, 3924, 4360, 4516, 4905, 5645, 5886, 6540, 6774, 7848, 8829, 9032, 9810, 10161, 11290, 11772, 13080, 13548, 14715, 16935, 17658, 19620, 20322, 22580, 23544, 27096, 29430, 30483, 33870, 35316, 39240, 40644, 44145, 45160, 50805, 58860, 60966, 67740, 70632, 81288, 88290, 91449, 101610, 117720, 121932, 123061, 135480, 152415, 176580, 182898, 203220, 243864, 246122, 304830, 353160, 365796, 369183, 406440, 457245, 492244, 609660, 615305, 731592, 738366, 914490, 984488, 1107549, 1219320, 1230610, 1476732, 1828980, 1845915, 2215098, 2461220, 2953464, 3322647, 3657960, 3691830, 4430196, 4922440, 5537745, 6645294, 7383660, 8860392, 9967941, 11075490, 13290588, 14767320, 16613235, 19935882, 22150980, 26581176, 33226470, 39871764, 44301960, 49839705, 66452940, 79743528, 99679410, 132905880, 199358820, 398717640]

約数ペア:

[(1, 398717640), (2, 199358820), (3, 132905880), (4, 99679410), (5, 79743528), (6, 66452940), (8, 49839705), (9, 44301960), (10, 39871764), (12, 33226470), (15, 26581176), (18, 22150980), (20, 19935882), (24, 16613235), (27, 14767320), (30, 13290588), (36, 11075490), (40, 9967941), (45, 8860392), (54, 7383660), (60, 6645294), (72, 5537745), (81, 4922440), (90, 4430196), (108, 3691830), (109, 3657960), (120, 3322647), (135, 2953464), (162, 2461220), (180, 2215098), (216, 1845915), (218, 1828980), (270, 1476732), (324, 1230610), (327, 1219320), (360, 1107549), (405, 984488), (436, 914490), (540, 738366), (545, 731592), (648, 615305), (654, 609660), (810, 492244), (872, 457245), (981, 406440), (1080, 369183), (1090, 365796), (1129, 353160), (1308, 304830), (1620, 246122), (1635, 243864), (1962, 203220), (2180, 182898), (2258, 176580), (2616, 152415), (2943, 135480), (3240, 123061), (3270, 121932), (3387, 117720), (3924, 101610), (4360, 91449), (4516, 88290), (4905, 81288), (5645, 70632), (5886, 67740), (6540, 60966), (6774, 58860), (7848, 50805), (8829, 45160), (9032, 44145), (9810, 40644), (10161, 39240), (11290, 35316), (11772, 33870), (13080, 30483), (13548, 29430), (14715, 27096), (16935, 23544), (17658, 22580), (19620, 20322)]