231638940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 240

約数和(自身を含む): 829870272

約数和(自身を除く): 598231332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 324, 340, 351, 390, 405, 442, 459, 468, 510, 540, 585, 612, 647, 663, 702, 765, 780, 810, 884, 918, 1020, 1053, 1105, 1170, 1294, 1326, 1377, 1404, 1530, 1620, 1755, 1836, 1941, 1989, 2106, 2210, 2295, 2340, 2588, 2652, 2754, 3060, 3235, 3315, 3510, 3882, 3978, 4212, 4420, 4590, 5265, 5508, 5823, 5967, 6470, 6630, 6885, 7020, 7764, 7956, 8411, 9180, 9705, 9945, 10530, 10999, 11646, 11934, 12940, 13260, 13770, 16822, 17469, 17901, 19410, 19890, 21060, 21998, 23292, 23868, 25233, 27540, 29115, 29835, 32997, 33644, 34938, 35802, 38820, 39780, 42055, 43996, 50466, 52407, 54995, 58230, 59670, 65994, 69876, 71604, 75699, 84110, 87345, 89505, 98991, 100932, 104814, 109990, 116460, 119340, 126165, 131988, 142987, 151398, 164985, 168220, 174690, 179010, 197982, 209628, 219980, 227097, 252330, 262035, 285974, 296973, 302796, 329970, 349380, 358020, 378495, 395964, 428961, 454194, 494955, 504660, 524070, 571948, 593946, 659940, 681291, 714935, 756990, 857922, 890919, 908388, 989910, 1048140, 1135485, 1187892, 1286883, 1362582, 1429870, 1484865, 1513980, 1715844, 1781838, 1979820, 2144805, 2270970, 2573766, 2725164, 2859740, 2969730, 3406455, 3563676, 3860649, 4289610, 4454595, 4541940, 5147532, 5939460, 6434415, 6812910, 7721298, 8579220, 8909190, 11581947, 12868830, 13625820, 15442596, 17818380, 19303245, 23163894, 25737660, 38606490, 46327788, 57909735, 77212980, 115819470, 231638940]

約数ペア:

[(1, 231638940), (2, 115819470), (3, 77212980), (4, 57909735), (5, 46327788), (6, 38606490), (9, 25737660), (10, 23163894), (12, 19303245), (13, 17818380), (15, 15442596), (17, 13625820), (18, 12868830), (20, 11581947), (26, 8909190), (27, 8579220), (30, 7721298), (34, 6812910), (36, 6434415), (39, 5939460), (45, 5147532), (51, 4541940), (52, 4454595), (54, 4289610), (60, 3860649), (65, 3563676), (68, 3406455), (78, 2969730), (81, 2859740), (85, 2725164), (90, 2573766), (102, 2270970), (108, 2144805), (117, 1979820), (130, 1781838), (135, 1715844), (153, 1513980), (156, 1484865), (162, 1429870), (170, 1362582), (180, 1286883), (195, 1187892), (204, 1135485), (221, 1048140), (234, 989910), (255, 908388), (260, 890919), (270, 857922), (306, 756990), (324, 714935), (340, 681291), (351, 659940), (390, 593946), (405, 571948), (442, 524070), (459, 504660), (468, 494955), (510, 454194), (540, 428961), (585, 395964), (612, 378495), (647, 358020), (663, 349380), (702, 329970), (765, 302796), (780, 296973), (810, 285974), (884, 262035), (918, 252330), (1020, 227097), (1053, 219980), (1105, 209628), (1170, 197982), (1294, 179010), (1326, 174690), (1377, 168220), (1404, 164985), (1530, 151398), (1620, 142987), (1755, 131988), (1836, 126165), (1941, 119340), (1989, 116460), (2106, 109990), (2210, 104814), (2295, 100932), (2340, 98991), (2588, 89505), (2652, 87345), (2754, 84110), (3060, 75699), (3235, 71604), (3315, 69876), (3510, 65994), (3882, 59670), (3978, 58230), (4212, 54995), (4420, 52407), (4590, 50466), (5265, 43996), (5508, 42055), (5823, 39780), (5967, 38820), (6470, 35802), (6630, 34938), (6885, 33644), (7020, 32997), (7764, 29835), (7956, 29115), (8411, 27540), (9180, 25233), (9705, 23868), (9945, 23292), (10530, 21998), (10999, 21060), (11646, 19890), (11934, 19410), (12940, 17901), (13260, 17469), (13770, 16822)]