254993640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 256

約数和(自身を含む): 898283520

約数和(自身を除く): 643289880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 37, 40, 44, 46, 55, 60, 66, 69, 74, 88, 92, 110, 111, 115, 120, 132, 138, 148, 165, 184, 185, 220, 222, 227, 230, 253, 264, 276, 296, 330, 345, 370, 407, 440, 444, 454, 460, 506, 552, 555, 660, 681, 690, 740, 759, 814, 851, 888, 908, 920, 1012, 1110, 1135, 1221, 1265, 1320, 1362, 1380, 1480, 1518, 1628, 1702, 1816, 2024, 2035, 2220, 2270, 2442, 2497, 2530, 2553, 2724, 2760, 3036, 3256, 3404, 3405, 3795, 4070, 4255, 4440, 4540, 4884, 4994, 5060, 5106, 5221, 5448, 6072, 6105, 6808, 6810, 7491, 7590, 8140, 8399, 8510, 9080, 9361, 9768, 9988, 10120, 10212, 10442, 12210, 12485, 12765, 13620, 14982, 15180, 15663, 16280, 16798, 17020, 18722, 19976, 20424, 20884, 24420, 24970, 25197, 25530, 26105, 27240, 28083, 29964, 30360, 31326, 33596, 34040, 37444, 37455, 41768, 41995, 46805, 48840, 49940, 50394, 51060, 52210, 56166, 57431, 59928, 62652, 67192, 74888, 74910, 78315, 83990, 92389, 93610, 99880, 100788, 102120, 104420, 112332, 114862, 125304, 125985, 140415, 149820, 156630, 167980, 172293, 184778, 187220, 193177, 201576, 208840, 224664, 229724, 251970, 277167, 280830, 287155, 299640, 313260, 335960, 344586, 369556, 374440, 386354, 459448, 461945, 503940, 554334, 561660, 574310, 579531, 626520, 689172, 739112, 772708, 861465, 923890, 965885, 1007880, 1108668, 1123320, 1148620, 1159062, 1378344, 1385835, 1545416, 1722930, 1847780, 1931770, 2124947, 2217336, 2297240, 2318124, 2771670, 2897655, 3445860, 3695560, 3863540, 4249894, 4636248, 5543340, 5795310, 6374841, 6891720, 7727080, 8499788, 10624735, 11086680, 11590620, 12749682, 16999576, 21249470, 23181240, 25499364, 31874205, 42498940, 50998728, 63748410, 84997880, 127496820, 254993640]

約数ペア:

[(1, 254993640), (2, 127496820), (3, 84997880), (4, 63748410), (5, 50998728), (6, 42498940), (8, 31874205), (10, 25499364), (11, 23181240), (12, 21249470), (15, 16999576), (20, 12749682), (22, 11590620), (23, 11086680), (24, 10624735), (30, 8499788), (33, 7727080), (37, 6891720), (40, 6374841), (44, 5795310), (46, 5543340), (55, 4636248), (60, 4249894), (66, 3863540), (69, 3695560), (74, 3445860), (88, 2897655), (92, 2771670), (110, 2318124), (111, 2297240), (115, 2217336), (120, 2124947), (132, 1931770), (138, 1847780), (148, 1722930), (165, 1545416), (184, 1385835), (185, 1378344), (220, 1159062), (222, 1148620), (227, 1123320), (230, 1108668), (253, 1007880), (264, 965885), (276, 923890), (296, 861465), (330, 772708), (345, 739112), (370, 689172), (407, 626520), (440, 579531), (444, 574310), (454, 561660), (460, 554334), (506, 503940), (552, 461945), (555, 459448), (660, 386354), (681, 374440), (690, 369556), (740, 344586), (759, 335960), (814, 313260), (851, 299640), (888, 287155), (908, 280830), (920, 277167), (1012, 251970), (1110, 229724), (1135, 224664), (1221, 208840), (1265, 201576), (1320, 193177), (1362, 187220), (1380, 184778), (1480, 172293), (1518, 167980), (1628, 156630), (1702, 149820), (1816, 140415), (2024, 125985), (2035, 125304), (2220, 114862), (2270, 112332), (2442, 104420), (2497, 102120), (2530, 100788), (2553, 99880), (2724, 93610), (2760, 92389), (3036, 83990), (3256, 78315), (3404, 74910), (3405, 74888), (3795, 67192), (4070, 62652), (4255, 59928), (4440, 57431), (4540, 56166), (4884, 52210), (4994, 51060), (5060, 50394), (5106, 49940), (5221, 48840), (5448, 46805), (6072, 41995), (6105, 41768), (6808, 37455), (6810, 37444), (7491, 34040), (7590, 33596), (8140, 31326), (8399, 30360), (8510, 29964), (9080, 28083), (9361, 27240), (9768, 26105), (9988, 25530), (10120, 25197), (10212, 24970), (10442, 24420), (12210, 20884), (12485, 20424), (12765, 19976), (13620, 18722), (14982, 17020), (15180, 16798), (15663, 16280)]