405248480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2141}}^1$

素因数の和:2189

約数の個数: 144

約数和(自身を含む): 1185365664

約数和(自身を除く): 780117184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1183, 1352, 1456, 1690, 1820, 2080, 2141, 2366, 2704, 2912, 3380, 3640, 4282, 4732, 5408, 5915, 6760, 7280, 8564, 9464, 10705, 11830, 13520, 14560, 14987, 17128, 18928, 21410, 23660, 27040, 27833, 29974, 34256, 37856, 42820, 47320, 55666, 59948, 68512, 74935, 85640, 94640, 111332, 119896, 139165, 149870, 171280, 189280, 194831, 222664, 239792, 278330, 299740, 342560, 361829, 389662, 445328, 479584, 556660, 599480, 723658, 779324, 890656, 974155, 1113320, 1198960, 1447316, 1558648, 1809145, 1948310, 2226640, 2397920, 2532803, 2894632, 3117296, 3618290, 3896620, 4453280, 5065606, 5789264, 6234592, 7236580, 7793240, 10131212, 11578528, 12664015, 14473160, 15586480, 20262424, 25328030, 28946320, 31172960, 40524848, 50656060, 57892640, 81049696, 101312120, 202624240, 405248480]

約数ペア:

[(1, 405248480), (2, 202624240), (4, 101312120), (5, 81049696), (7, 57892640), (8, 50656060), (10, 40524848), (13, 31172960), (14, 28946320), (16, 25328030), (20, 20262424), (26, 15586480), (28, 14473160), (32, 12664015), (35, 11578528), (40, 10131212), (52, 7793240), (56, 7236580), (65, 6234592), (70, 5789264), (80, 5065606), (91, 4453280), (104, 3896620), (112, 3618290), (130, 3117296), (140, 2894632), (160, 2532803), (169, 2397920), (182, 2226640), (208, 1948310), (224, 1809145), (260, 1558648), (280, 1447316), (338, 1198960), (364, 1113320), (416, 974155), (455, 890656), (520, 779324), (560, 723658), (676, 599480), (728, 556660), (845, 479584), (910, 445328), (1040, 389662), (1120, 361829), (1183, 342560), (1352, 299740), (1456, 278330), (1690, 239792), (1820, 222664), (2080, 194831), (2141, 189280), (2366, 171280), (2704, 149870), (2912, 139165), (3380, 119896), (3640, 111332), (4282, 94640), (4732, 85640), (5408, 74935), (5915, 68512), (6760, 59948), (7280, 55666), (8564, 47320), (9464, 42820), (10705, 37856), (11830, 34256), (13520, 29974), (14560, 27833), (14987, 27040), (17128, 23660), (18928, 21410)]