320635728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 180

約数和(自身を含む): 1062875424

約数和(自身を除く): 742239696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 331, 336, 372, 434, 496, 504, 558, 651, 662, 744, 868, 961, 993, 1008, 1116, 1302, 1324, 1488, 1736, 1922, 1953, 1986, 2232, 2317, 2604, 2648, 2883, 2979, 3472, 3844, 3906, 3972, 4464, 4634, 5208, 5296, 5766, 5958, 6727, 6951, 7688, 7812, 7944, 8649, 9268, 10261, 10416, 11532, 11916, 13454, 13902, 15376, 15624, 15888, 17298, 18536, 20181, 20522, 20853, 23064, 23832, 26908, 27804, 30783, 31248, 34596, 37072, 40362, 41044, 41706, 46128, 47664, 53816, 55608, 60543, 61566, 69192, 71827, 80724, 82088, 83412, 92349, 107632, 111216, 121086, 123132, 138384, 143654, 161448, 164176, 166824, 184698, 215481, 242172, 246264, 287308, 318091, 322896, 333648, 369396, 430962, 484344, 492528, 574616, 636182, 646443, 738792, 861924, 954273, 968688, 1149232, 1272364, 1292886, 1477584, 1723848, 1908546, 2226637, 2544728, 2585772, 2862819, 3447696, 3817092, 4453274, 5089456, 5171544, 5725638, 6679911, 7634184, 8906548, 10343088, 11451276, 13359822, 15268368, 17813096, 20039733, 22902552, 26719644, 35626192, 40079466, 45805104, 53439288, 80158932, 106878576, 160317864, 320635728]

約数ペア:

[(1, 320635728), (2, 160317864), (3, 106878576), (4, 80158932), (6, 53439288), (7, 45805104), (8, 40079466), (9, 35626192), (12, 26719644), (14, 22902552), (16, 20039733), (18, 17813096), (21, 15268368), (24, 13359822), (28, 11451276), (31, 10343088), (36, 8906548), (42, 7634184), (48, 6679911), (56, 5725638), (62, 5171544), (63, 5089456), (72, 4453274), (84, 3817092), (93, 3447696), (112, 2862819), (124, 2585772), (126, 2544728), (144, 2226637), (168, 1908546), (186, 1723848), (217, 1477584), (248, 1292886), (252, 1272364), (279, 1149232), (331, 968688), (336, 954273), (372, 861924), (434, 738792), (496, 646443), (504, 636182), (558, 574616), (651, 492528), (662, 484344), (744, 430962), (868, 369396), (961, 333648), (993, 322896), (1008, 318091), (1116, 287308), (1302, 246264), (1324, 242172), (1488, 215481), (1736, 184698), (1922, 166824), (1953, 164176), (1986, 161448), (2232, 143654), (2317, 138384), (2604, 123132), (2648, 121086), (2883, 111216), (2979, 107632), (3472, 92349), (3844, 83412), (3906, 82088), (3972, 80724), (4464, 71827), (4634, 69192), (5208, 61566), (5296, 60543), (5766, 55608), (5958, 53816), (6727, 47664), (6951, 46128), (7688, 41706), (7812, 41044), (7944, 40362), (8649, 37072), (9268, 34596), (10261, 31248), (10416, 30783), (11532, 27804), (11916, 26908), (13454, 23832), (13902, 23064), (15376, 20853), (15624, 20522), (15888, 20181), (17298, 18536)]