320565960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 288

約数和(自身を含む): 1233273600

約数和(自身を除く): 912707640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 169, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 338, 360, 390, 396, 429, 440, 468, 479, 495, 507, 520, 572, 585, 660, 676, 715, 780, 792, 845, 858, 936, 958, 990, 1014, 1144, 1170, 1287, 1320, 1352, 1430, 1437, 1521, 1560, 1690, 1716, 1859, 1916, 1980, 2028, 2145, 2340, 2395, 2535, 2574, 2860, 2874, 3042, 3380, 3432, 3718, 3832, 3960, 4056, 4290, 4311, 4680, 4790, 5070, 5148, 5269, 5577, 5720, 5748, 6084, 6227, 6435, 6760, 7185, 7436, 7605, 8580, 8622, 9295, 9580, 10140, 10296, 10538, 11154, 11496, 12168, 12454, 12870, 14370, 14872, 15210, 15807, 16731, 17160, 17244, 18590, 18681, 19160, 20280, 21076, 21555, 22308, 24908, 25740, 26345, 27885, 28740, 30420, 31135, 31614, 33462, 34488, 37180, 37362, 42152, 43110, 44616, 47421, 49816, 51480, 52690, 55770, 56043, 57480, 60840, 62270, 63228, 66924, 68497, 74360, 74724, 79035, 80951, 83655, 86220, 93405, 94842, 105380, 111540, 112086, 124540, 126456, 133848, 136994, 149448, 158070, 161902, 167310, 172440, 186810, 189684, 205491, 210760, 223080, 224172, 237105, 242853, 249080, 273988, 280215, 316140, 323804, 334620, 342485, 373620, 379368, 404755, 410982, 448344, 474210, 485706, 547976, 560430, 616473, 632280, 647608, 669240, 684970, 728559, 747240, 809510, 821964, 890461, 948420, 971412, 1027455, 1120860, 1214265, 1232946, 1369940, 1457118, 1619020, 1643928, 1780922, 1896840, 1942824, 2054910, 2241720, 2428530, 2465892, 2671383, 2739880, 2914236, 3082365, 3238040, 3561844, 3642795, 4109820, 4452305, 4857060, 4931784, 5342766, 5828472, 6164730, 7123688, 7285590, 8014149, 8219640, 8904610, 9714120, 10685532, 12329460, 13356915, 14571180, 16028298, 17809220, 21371064, 24658920, 26713830, 29142360, 32056596, 35618440, 40070745, 53427660, 64113192, 80141490, 106855320, 160282980, 320565960]

約数ペア:

[(1, 320565960), (2, 160282980), (3, 106855320), (4, 80141490), (5, 64113192), (6, 53427660), (8, 40070745), (9, 35618440), (10, 32056596), (11, 29142360), (12, 26713830), (13, 24658920), (15, 21371064), (18, 17809220), (20, 16028298), (22, 14571180), (24, 13356915), (26, 12329460), (30, 10685532), (33, 9714120), (36, 8904610), (39, 8219640), (40, 8014149), (44, 7285590), (45, 7123688), (52, 6164730), (55, 5828472), (60, 5342766), (65, 4931784), (66, 4857060), (72, 4452305), (78, 4109820), (88, 3642795), (90, 3561844), (99, 3238040), (104, 3082365), (110, 2914236), (117, 2739880), (120, 2671383), (130, 2465892), (132, 2428530), (143, 2241720), (156, 2054910), (165, 1942824), (169, 1896840), (180, 1780922), (195, 1643928), (198, 1619020), (220, 1457118), (234, 1369940), (260, 1232946), (264, 1214265), (286, 1120860), (312, 1027455), (330, 971412), (338, 948420), (360, 890461), (390, 821964), (396, 809510), (429, 747240), (440, 728559), (468, 684970), (479, 669240), (495, 647608), (507, 632280), (520, 616473), (572, 560430), (585, 547976), (660, 485706), (676, 474210), (715, 448344), (780, 410982), (792, 404755), (845, 379368), (858, 373620), (936, 342485), (958, 334620), (990, 323804), (1014, 316140), (1144, 280215), (1170, 273988), (1287, 249080), (1320, 242853), (1352, 237105), (1430, 224172), (1437, 223080), (1521, 210760), (1560, 205491), (1690, 189684), (1716, 186810), (1859, 172440), (1916, 167310), (1980, 161902), (2028, 158070), (2145, 149448), (2340, 136994), (2395, 133848), (2535, 126456), (2574, 124540), (2860, 112086), (2874, 111540), (3042, 105380), (3380, 94842), (3432, 93405), (3718, 86220), (3832, 83655), (3960, 80951), (4056, 79035), (4290, 74724), (4311, 74360), (4680, 68497), (4790, 66924), (5070, 63228), (5148, 62270), (5269, 60840), (5577, 57480), (5720, 56043), (5748, 55770), (6084, 52690), (6227, 51480), (6435, 49816), (6760, 47421), (7185, 44616), (7436, 43110), (7605, 42152), (8580, 37362), (8622, 37180), (9295, 34488), (9580, 33462), (10140, 31614), (10296, 31135), (10538, 30420), (11154, 28740), (11496, 27885), (12168, 26345), (12454, 25740), (12870, 24908), (14370, 22308), (14872, 21555), (15210, 21076), (15807, 20280), (16731, 19160), (17160, 18681), (17244, 18590)]