400505040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:891

約数の個数: 320

約数和(自身を含む): 1574899200

約数和(自身を除く): 1174394160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 170, 180, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 306, 312, 340, 351, 360, 390, 408, 432, 442, 459, 468, 510, 520, 540, 585, 612, 624, 663, 680, 702, 720, 765, 780, 816, 839, 884, 918, 936, 1020, 1040, 1080, 1105, 1170, 1224, 1326, 1360, 1404, 1530, 1560, 1678, 1755, 1768, 1836, 1872, 1989, 2040, 2160, 2210, 2295, 2340, 2448, 2517, 2652, 2808, 3060, 3120, 3315, 3356, 3510, 3536, 3672, 3978, 4080, 4195, 4420, 4590, 4680, 5034, 5304, 5616, 5967, 6120, 6630, 6712, 7020, 7344, 7551, 7956, 8390, 8840, 9180, 9360, 9945, 10068, 10608, 10907, 11934, 12240, 12585, 13260, 13424, 14040, 14263, 15102, 15912, 16780, 17680, 18360, 19890, 20136, 21814, 22653, 23868, 25170, 26520, 28080, 28526, 29835, 30204, 31824, 32721, 33560, 36720, 37755, 39780, 40272, 42789, 43628, 45306, 47736, 50340, 53040, 54535, 57052, 59670, 60408, 65442, 67120, 71315, 75510, 79560, 85578, 87256, 90612, 95472, 98163, 100680, 109070, 113265, 114104, 119340, 120816, 128367, 130884, 142630, 151020, 159120, 163605, 171156, 174512, 181224, 185419, 196326, 201360, 213945, 218140, 226530, 228208, 238680, 256734, 261768, 285260, 294489, 302040, 327210, 342312, 362448, 370838, 385101, 392652, 427890, 436280, 453060, 477360, 490815, 513468, 523536, 556257, 570520, 588978, 604080, 641835, 654420, 684624, 741676, 770202, 785304, 855780, 872560, 906120, 927095, 981630, 1026936, 1112514, 1141040, 1177956, 1283670, 1308840, 1472445, 1483352, 1540404, 1570608, 1668771, 1711560, 1812240, 1854190, 1925505, 1963260, 2053872, 2225028, 2355912, 2567340, 2617680, 2781285, 2944890, 2966704, 3080808, 3337542, 3423120, 3708380, 3851010, 3926520, 4450056, 4711824, 5006313, 5134680, 5562570, 5889780, 6161616, 6675084, 7416760, 7702020, 7853040, 8343855, 8900112, 10012626, 10269360, 11125140, 11779560, 13350168, 14833520, 15404040, 16687710, 20025252, 22250280, 23559120, 25031565, 26700336, 30808080, 33375420, 40050504, 44500560, 50063130, 66750840, 80101008, 100126260, 133501680, 200252520, 400505040]

約数ペア:

[(1, 400505040), (2, 200252520), (3, 133501680), (4, 100126260), (5, 80101008), (6, 66750840), (8, 50063130), (9, 44500560), (10, 40050504), (12, 33375420), (13, 30808080), (15, 26700336), (16, 25031565), (17, 23559120), (18, 22250280), (20, 20025252), (24, 16687710), (26, 15404040), (27, 14833520), (30, 13350168), (34, 11779560), (36, 11125140), (39, 10269360), (40, 10012626), (45, 8900112), (48, 8343855), (51, 7853040), (52, 7702020), (54, 7416760), (60, 6675084), (65, 6161616), (68, 5889780), (72, 5562570), (78, 5134680), (80, 5006313), (85, 4711824), (90, 4450056), (102, 3926520), (104, 3851010), (108, 3708380), (117, 3423120), (120, 3337542), (130, 3080808), (135, 2966704), (136, 2944890), (144, 2781285), (153, 2617680), (156, 2567340), (170, 2355912), (180, 2225028), (195, 2053872), (204, 1963260), (208, 1925505), (216, 1854190), (221, 1812240), (234, 1711560), (240, 1668771), (255, 1570608), (260, 1540404), (270, 1483352), (272, 1472445), (306, 1308840), (312, 1283670), (340, 1177956), (351, 1141040), (360, 1112514), (390, 1026936), (408, 981630), (432, 927095), (442, 906120), (459, 872560), (468, 855780), (510, 785304), (520, 770202), (540, 741676), (585, 684624), (612, 654420), (624, 641835), (663, 604080), (680, 588978), (702, 570520), (720, 556257), (765, 523536), (780, 513468), (816, 490815), (839, 477360), (884, 453060), (918, 436280), (936, 427890), (1020, 392652), (1040, 385101), (1080, 370838), (1105, 362448), (1170, 342312), (1224, 327210), (1326, 302040), (1360, 294489), (1404, 285260), (1530, 261768), (1560, 256734), (1678, 238680), (1755, 228208), (1768, 226530), (1836, 218140), (1872, 213945), (1989, 201360), (2040, 196326), (2160, 185419), (2210, 181224), (2295, 174512), (2340, 171156), (2448, 163605), (2517, 159120), (2652, 151020), (2808, 142630), (3060, 130884), (3120, 128367), (3315, 120816), (3356, 119340), (3510, 114104), (3536, 113265), (3672, 109070), (3978, 100680), (4080, 98163), (4195, 95472), (4420, 90612), (4590, 87256), (4680, 85578), (5034, 79560), (5304, 75510), (5616, 71315), (5967, 67120), (6120, 65442), (6630, 60408), (6712, 59670), (7020, 57052), (7344, 54535), (7551, 53040), (7956, 50340), (8390, 47736), (8840, 45306), (9180, 43628), (9360, 42789), (9945, 40272), (10068, 39780), (10608, 37755), (10907, 36720), (11934, 33560), (12240, 32721), (12585, 31824), (13260, 30204), (13424, 29835), (14040, 28526), (14263, 28080), (15102, 26520), (15912, 25170), (16780, 23868), (17680, 22653), (18360, 21814), (19890, 20136)]