204915480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 256

約数和(自身を含む): 780226560

約数和(自身を除く): 575311080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 67, 70, 77, 84, 88, 105, 110, 120, 132, 134, 140, 154, 165, 168, 201, 210, 220, 231, 264, 268, 280, 308, 330, 331, 335, 385, 402, 420, 440, 462, 469, 536, 616, 660, 662, 670, 737, 770, 804, 840, 924, 938, 993, 1005, 1155, 1320, 1324, 1340, 1407, 1474, 1540, 1608, 1655, 1848, 1876, 1986, 2010, 2211, 2310, 2317, 2345, 2648, 2680, 2814, 2948, 3080, 3310, 3641, 3685, 3752, 3972, 4020, 4422, 4620, 4634, 4690, 4965, 5159, 5628, 5896, 6620, 6951, 7035, 7282, 7370, 7944, 8040, 8844, 9240, 9268, 9380, 9930, 10318, 10923, 11055, 11256, 11585, 13240, 13902, 14070, 14564, 14740, 15477, 17688, 18205, 18536, 18760, 19860, 20636, 21846, 22110, 22177, 23170, 25487, 25795, 27804, 28140, 29128, 29480, 30954, 34755, 36410, 39720, 41272, 43692, 44220, 44354, 46340, 50974, 51590, 54615, 55608, 56280, 61908, 66531, 69510, 72820, 76461, 77385, 87384, 88440, 88708, 92680, 101948, 103180, 109230, 110885, 123816, 127435, 133062, 139020, 145640, 152922, 154770, 155239, 177416, 203896, 206360, 218460, 221770, 243947, 254870, 266124, 278040, 305844, 309540, 310478, 332655, 382305, 436920, 443540, 465717, 487894, 509740, 532248, 611688, 619080, 620956, 665310, 731841, 764610, 776195, 887080, 931434, 975788, 1019480, 1219735, 1241912, 1330620, 1463682, 1529220, 1552390, 1707629, 1862868, 1951576, 2328585, 2439470, 2661240, 2927364, 3058440, 3104780, 3415258, 3659205, 3725736, 4657170, 4878940, 5122887, 5854728, 6209560, 6830516, 7318410, 8538145, 9314340, 9757880, 10245774, 13661032, 14636820, 17076290, 18628680, 20491548, 25614435, 29273640, 34152580, 40983096, 51228870, 68305160, 102457740, 204915480]

約数ペア:

[(1, 204915480), (2, 102457740), (3, 68305160), (4, 51228870), (5, 40983096), (6, 34152580), (7, 29273640), (8, 25614435), (10, 20491548), (11, 18628680), (12, 17076290), (14, 14636820), (15, 13661032), (20, 10245774), (21, 9757880), (22, 9314340), (24, 8538145), (28, 7318410), (30, 6830516), (33, 6209560), (35, 5854728), (40, 5122887), (42, 4878940), (44, 4657170), (55, 3725736), (56, 3659205), (60, 3415258), (66, 3104780), (67, 3058440), (70, 2927364), (77, 2661240), (84, 2439470), (88, 2328585), (105, 1951576), (110, 1862868), (120, 1707629), (132, 1552390), (134, 1529220), (140, 1463682), (154, 1330620), (165, 1241912), (168, 1219735), (201, 1019480), (210, 975788), (220, 931434), (231, 887080), (264, 776195), (268, 764610), (280, 731841), (308, 665310), (330, 620956), (331, 619080), (335, 611688), (385, 532248), (402, 509740), (420, 487894), (440, 465717), (462, 443540), (469, 436920), (536, 382305), (616, 332655), (660, 310478), (662, 309540), (670, 305844), (737, 278040), (770, 266124), (804, 254870), (840, 243947), (924, 221770), (938, 218460), (993, 206360), (1005, 203896), (1155, 177416), (1320, 155239), (1324, 154770), (1340, 152922), (1407, 145640), (1474, 139020), (1540, 133062), (1608, 127435), (1655, 123816), (1848, 110885), (1876, 109230), (1986, 103180), (2010, 101948), (2211, 92680), (2310, 88708), (2317, 88440), (2345, 87384), (2648, 77385), (2680, 76461), (2814, 72820), (2948, 69510), (3080, 66531), (3310, 61908), (3641, 56280), (3685, 55608), (3752, 54615), (3972, 51590), (4020, 50974), (4422, 46340), (4620, 44354), (4634, 44220), (4690, 43692), (4965, 41272), (5159, 39720), (5628, 36410), (5896, 34755), (6620, 30954), (6951, 29480), (7035, 29128), (7282, 28140), (7370, 27804), (7944, 25795), (8040, 25487), (8844, 23170), (9240, 22177), (9268, 22110), (9380, 21846), (9930, 20636), (10318, 19860), (10923, 18760), (11055, 18536), (11256, 18205), (11585, 17688), (13240, 15477), (13902, 14740), (14070, 14564)]