400207680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1861

約数の個数: 168

約数和(自身を含む): 1394764800

約数和(自身を除く): 994557120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 395, 474, 480, 576, 632, 711, 720, 790, 948, 960, 1185, 1264, 1422, 1440, 1580, 1759, 1896, 2370, 2528, 2844, 2880, 3160, 3518, 3555, 3792, 4740, 5056, 5277, 5688, 6320, 7036, 7110, 7584, 8795, 9480, 10554, 11376, 12640, 14072, 14220, 15168, 15831, 17590, 18960, 21108, 22752, 25280, 26385, 28144, 28440, 31662, 35180, 37920, 42216, 45504, 52770, 56288, 56880, 63324, 70360, 75840, 79155, 84432, 105540, 112576, 113760, 126648, 138961, 140720, 158310, 168864, 211080, 227520, 253296, 277922, 281440, 316620, 337728, 416883, 422160, 506592, 555844, 562880, 633240, 694805, 833766, 844320, 1013184, 1111688, 1250649, 1266480, 1389610, 1667532, 1688640, 2084415, 2223376, 2501298, 2532960, 2779220, 3335064, 4168830, 4446752, 5002596, 5065920, 5558440, 6253245, 6670128, 8337660, 8893504, 10005192, 11116880, 12506490, 13340256, 16675320, 20010384, 22233760, 25012980, 26680512, 33350640, 40020768, 44467520, 50025960, 66701280, 80041536, 100051920, 133402560, 200103840, 400207680]

約数ペア:

[(1, 400207680), (2, 200103840), (3, 133402560), (4, 100051920), (5, 80041536), (6, 66701280), (8, 50025960), (9, 44467520), (10, 40020768), (12, 33350640), (15, 26680512), (16, 25012980), (18, 22233760), (20, 20010384), (24, 16675320), (30, 13340256), (32, 12506490), (36, 11116880), (40, 10005192), (45, 8893504), (48, 8337660), (60, 6670128), (64, 6253245), (72, 5558440), (79, 5065920), (80, 5002596), (90, 4446752), (96, 4168830), (120, 3335064), (144, 2779220), (158, 2532960), (160, 2501298), (180, 2223376), (192, 2084415), (237, 1688640), (240, 1667532), (288, 1389610), (316, 1266480), (320, 1250649), (360, 1111688), (395, 1013184), (474, 844320), (480, 833766), (576, 694805), (632, 633240), (711, 562880), (720, 555844), (790, 506592), (948, 422160), (960, 416883), (1185, 337728), (1264, 316620), (1422, 281440), (1440, 277922), (1580, 253296), (1759, 227520), (1896, 211080), (2370, 168864), (2528, 158310), (2844, 140720), (2880, 138961), (3160, 126648), (3518, 113760), (3555, 112576), (3792, 105540), (4740, 84432), (5056, 79155), (5277, 75840), (5688, 70360), (6320, 63324), (7036, 56880), (7110, 56288), (7584, 52770), (8795, 45504), (9480, 42216), (10554, 37920), (11376, 35180), (12640, 31662), (14072, 28440), (14220, 28144), (15168, 26385), (15831, 25280), (17590, 22752), (18960, 21108)]