818691440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3739}}^1$

素因数の和:3799

約数の個数: 160

約数和(自身を含む): 2404131840

約数和(自身を除く): 1585440400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 368, 391, 460, 476, 560, 595, 644, 680, 782, 805, 920, 952, 1190, 1288, 1360, 1564, 1610, 1840, 1904, 1955, 2380, 2576, 2737, 3128, 3220, 3739, 3910, 4760, 5474, 6256, 6440, 7478, 7820, 9520, 10948, 12880, 13685, 14956, 15640, 18695, 21896, 26173, 27370, 29912, 31280, 37390, 43792, 52346, 54740, 59824, 63563, 74780, 85997, 104692, 109480, 127126, 130865, 149560, 171994, 209384, 218960, 254252, 261730, 299120, 317815, 343988, 418768, 429985, 444941, 508504, 523460, 601979, 635630, 687976, 859970, 889882, 1017008, 1046920, 1203958, 1271260, 1375952, 1461949, 1719940, 1779764, 2093840, 2224705, 2407916, 2542520, 2923898, 3009895, 3439880, 3559528, 4449410, 4815832, 5085040, 5847796, 6019790, 6879760, 7119056, 7309745, 8898820, 9631664, 10233643, 11695592, 12039580, 14619490, 17797640, 20467286, 23391184, 24079160, 29238980, 35595280, 40934572, 48158320, 51168215, 58477960, 81869144, 102336430, 116955920, 163738288, 204672860, 409345720, 818691440]

約数ペア:

[(1, 818691440), (2, 409345720), (4, 204672860), (5, 163738288), (7, 116955920), (8, 102336430), (10, 81869144), (14, 58477960), (16, 51168215), (17, 48158320), (20, 40934572), (23, 35595280), (28, 29238980), (34, 24079160), (35, 23391184), (40, 20467286), (46, 17797640), (56, 14619490), (68, 12039580), (70, 11695592), (80, 10233643), (85, 9631664), (92, 8898820), (112, 7309745), (115, 7119056), (119, 6879760), (136, 6019790), (140, 5847796), (161, 5085040), (170, 4815832), (184, 4449410), (230, 3559528), (238, 3439880), (272, 3009895), (280, 2923898), (322, 2542520), (340, 2407916), (368, 2224705), (391, 2093840), (460, 1779764), (476, 1719940), (560, 1461949), (595, 1375952), (644, 1271260), (680, 1203958), (782, 1046920), (805, 1017008), (920, 889882), (952, 859970), (1190, 687976), (1288, 635630), (1360, 601979), (1564, 523460), (1610, 508504), (1840, 444941), (1904, 429985), (1955, 418768), (2380, 343988), (2576, 317815), (2737, 299120), (3128, 261730), (3220, 254252), (3739, 218960), (3910, 209384), (4760, 171994), (5474, 149560), (6256, 130865), (6440, 127126), (7478, 109480), (7820, 104692), (9520, 85997), (10948, 74780), (12880, 63563), (13685, 59824), (14956, 54740), (15640, 52346), (18695, 43792), (21896, 37390), (26173, 31280), (27370, 29912)]