1978968960

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4349}}^1$

素因数の和:4453

約数の個数: 192

約数和(自身を含む): 6921720000

約数和(自身を除く): 4942751040

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, 128, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 384, 395, 474, 480, 576, 632, 640, 711, 720, 790, 948, 960, 1152, 1185, 1264, 1422, 1440, 1580, 1896, 1920, 2370, 2528, 2844, 2880, 3160, 3555, 3792, 4349, 4740, 5056, 5688, 5760, 6320, 7110, 7584, 8698, 9480, 10112, 11376, 12640, 13047, 14220, 15168, 17396, 18960, 21745, 22752, 25280, 26094, 28440, 30336, 34792, 37920, 39141, 43490, 45504, 50560, 52188, 56880, 65235, 69584, 75840, 78282, 86980, 91008, 104376, 113760, 130470, 139168, 151680, 156564, 173960, 195705, 208752, 227520, 260940, 278336, 313128, 343571, 347920, 391410, 417504, 455040, 521880, 556672, 626256, 687142, 695840, 782820, 835008, 1030713, 1043760, 1252512, 1374284, 1391680, 1565640, 1670016, 1717855, 2061426, 2087520, 2505024, 2748568, 2783360, 3092139, 3131280, 3435710, 4122852, 4175040, 5010048, 5153565, 5497136, 6184278, 6262560, 6871420, 8245704, 8350080, 10307130, 10994272, 12368556, 12525120, 13742840, 15460695, 16491408, 20614260, 21988544, 24737112, 25050240, 27485680, 30921390, 32982816, 41228520, 43977088, 49474224, 54971360, 61842780, 65965632, 82457040, 98948448, 109942720, 123685560, 131931264, 164914080, 197896896, 219885440, 247371120, 329828160, 395793792, 494742240, 659656320, 989484480, 1978968960]

約数ペア:

[(1, 1978968960), (2, 989484480), (3, 659656320), (4, 494742240), (5, 395793792), (6, 329828160), (8, 247371120), (9, 219885440), (10, 197896896), (12, 164914080), (15, 131931264), (16, 123685560), (18, 109942720), (20, 98948448), (24, 82457040), (30, 65965632), (32, 61842780), (36, 54971360), (40, 49474224), (45, 43977088), (48, 41228520), (60, 32982816), (64, 30921390), (72, 27485680), (79, 25050240), (80, 24737112), (90, 21988544), (96, 20614260), (120, 16491408), (128, 15460695), (144, 13742840), (158, 12525120), (160, 12368556), (180, 10994272), (192, 10307130), (237, 8350080), (240, 8245704), (288, 6871420), (316, 6262560), (320, 6184278), (360, 5497136), (384, 5153565), (395, 5010048), (474, 4175040), (480, 4122852), (576, 3435710), (632, 3131280), (640, 3092139), (711, 2783360), (720, 2748568), (790, 2505024), (948, 2087520), (960, 2061426), (1152, 1717855), (1185, 1670016), (1264, 1565640), (1422, 1391680), (1440, 1374284), (1580, 1252512), (1896, 1043760), (1920, 1030713), (2370, 835008), (2528, 782820), (2844, 695840), (2880, 687142), (3160, 626256), (3555, 556672), (3792, 521880), (4349, 455040), (4740, 417504), (5056, 391410), (5688, 347920), (5760, 343571), (6320, 313128), (7110, 278336), (7584, 260940), (8698, 227520), (9480, 208752), (10112, 195705), (11376, 173960), (12640, 156564), (13047, 151680), (14220, 139168), (15168, 130470), (17396, 113760), (18960, 104376), (21745, 91008), (22752, 86980), (25280, 78282), (26094, 75840), (28440, 69584), (30336, 65235), (34792, 56880), (37920, 52188), (39141, 50560), (43490, 45504)]