248931540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:567

約数の個数: 288

約数和(自身を含む): 935625600

約数和(自身を除く): 686694060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 19, 20, 22, 26, 30, 33, 36, 38, 39, 44, 45, 52, 55, 57, 60, 65, 66, 76, 78, 90, 95, 99, 110, 114, 117, 130, 132, 143, 156, 165, 171, 180, 190, 195, 198, 209, 220, 228, 234, 247, 260, 285, 286, 330, 342, 380, 390, 396, 418, 429, 468, 494, 495, 509, 570, 572, 585, 627, 660, 684, 715, 741, 780, 836, 855, 858, 988, 990, 1018, 1045, 1140, 1170, 1235, 1254, 1287, 1430, 1482, 1527, 1710, 1716, 1881, 1980, 2036, 2090, 2145, 2223, 2340, 2470, 2508, 2545, 2574, 2717, 2860, 2964, 3054, 3135, 3420, 3705, 3762, 4180, 4290, 4446, 4581, 4940, 5090, 5148, 5434, 5599, 6108, 6270, 6435, 6617, 7410, 7524, 7635, 8151, 8580, 8892, 9162, 9405, 9671, 10180, 10868, 11115, 11198, 12540, 12870, 13234, 13585, 14820, 15270, 16302, 16797, 18324, 18810, 19342, 19851, 22230, 22396, 22905, 24453, 25740, 26468, 27170, 27995, 29013, 30540, 32604, 33085, 33594, 37620, 38684, 39702, 40755, 44460, 45810, 48355, 48906, 50391, 54340, 55990, 58026, 59553, 66170, 67188, 72787, 79404, 81510, 83985, 87039, 91620, 96710, 97812, 99255, 100782, 106381, 111980, 116052, 119106, 122265, 125723, 132340, 145065, 145574, 163020, 167970, 174078, 193420, 198510, 201564, 212762, 218361, 238212, 244530, 251446, 251955, 290130, 291148, 297765, 319143, 335940, 348156, 363935, 377169, 397020, 425524, 435195, 436722, 489060, 502892, 503910, 531905, 580260, 595530, 628615, 638286, 655083, 727870, 754338, 870390, 873444, 957429, 1007820, 1063810, 1091805, 1131507, 1191060, 1257230, 1276572, 1310166, 1382953, 1455740, 1508676, 1595715, 1740780, 1885845, 1914858, 2127620, 2183610, 2263014, 2514460, 2620332, 2765906, 3191430, 3275415, 3771690, 3829716, 4148859, 4367220, 4526028, 4787145, 5531812, 5657535, 6382860, 6550830, 6914765, 7543380, 8297718, 9574290, 11315070, 12446577, 13101660, 13829530, 16595436, 19148580, 20744295, 22630140, 24893154, 27659060, 41488590, 49786308, 62232885, 82977180, 124465770, 248931540]

約数ペア:

[(1, 248931540), (2, 124465770), (3, 82977180), (4, 62232885), (5, 49786308), (6, 41488590), (9, 27659060), (10, 24893154), (11, 22630140), (12, 20744295), (13, 19148580), (15, 16595436), (18, 13829530), (19, 13101660), (20, 12446577), (22, 11315070), (26, 9574290), (30, 8297718), (33, 7543380), (36, 6914765), (38, 6550830), (39, 6382860), (44, 5657535), (45, 5531812), (52, 4787145), (55, 4526028), (57, 4367220), (60, 4148859), (65, 3829716), (66, 3771690), (76, 3275415), (78, 3191430), (90, 2765906), (95, 2620332), (99, 2514460), (110, 2263014), (114, 2183610), (117, 2127620), (130, 1914858), (132, 1885845), (143, 1740780), (156, 1595715), (165, 1508676), (171, 1455740), (180, 1382953), (190, 1310166), (195, 1276572), (198, 1257230), (209, 1191060), (220, 1131507), (228, 1091805), (234, 1063810), (247, 1007820), (260, 957429), (285, 873444), (286, 870390), (330, 754338), (342, 727870), (380, 655083), (390, 638286), (396, 628615), (418, 595530), (429, 580260), (468, 531905), (494, 503910), (495, 502892), (509, 489060), (570, 436722), (572, 435195), (585, 425524), (627, 397020), (660, 377169), (684, 363935), (715, 348156), (741, 335940), (780, 319143), (836, 297765), (855, 291148), (858, 290130), (988, 251955), (990, 251446), (1018, 244530), (1045, 238212), (1140, 218361), (1170, 212762), (1235, 201564), (1254, 198510), (1287, 193420), (1430, 174078), (1482, 167970), (1527, 163020), (1710, 145574), (1716, 145065), (1881, 132340), (1980, 125723), (2036, 122265), (2090, 119106), (2145, 116052), (2223, 111980), (2340, 106381), (2470, 100782), (2508, 99255), (2545, 97812), (2574, 96710), (2717, 91620), (2860, 87039), (2964, 83985), (3054, 81510), (3135, 79404), (3420, 72787), (3705, 67188), (3762, 66170), (4180, 59553), (4290, 58026), (4446, 55990), (4581, 54340), (4940, 50391), (5090, 48906), (5148, 48355), (5434, 45810), (5599, 44460), (6108, 40755), (6270, 39702), (6435, 38684), (6617, 37620), (7410, 33594), (7524, 33085), (7635, 32604), (8151, 30540), (8580, 29013), (8892, 27995), (9162, 27170), (9405, 26468), (9671, 25740), (10180, 24453), (10868, 22905), (11115, 22396), (11198, 22230), (12540, 19851), (12870, 19342), (13234, 18810), (13585, 18324), (14820, 16797), (15270, 16302)]