20123736480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{5711}}^1$

素因数の和:8179

約数の個数: 144

約数和(自身を含む): 68712344064

約数和(自身を除く): 48588607584

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2447, 4894, 5711, 7341, 9788, 11422, 12235, 14682, 17133, 19576, 22023, 22844, 24470, 28555, 29364, 34266, 36705, 39152, 44046, 45688, 48940, 51399, 57110, 58728, 68532, 73410, 78304, 85665, 88092, 91376, 97880, 102798, 110115, 114220, 117456, 137064, 146820, 171330, 176184, 182752, 195760, 205596, 220230, 228440, 234912, 256995, 274128, 293640, 342660, 352368, 391520, 411192, 440460, 456880, 513990, 548256, 587280, 685320, 704736, 822384, 880920, 913760, 1027980, 1174560, 1370640, 1644768, 1761840, 2055960, 2741280, 3523680, 4111920, 8223840, 13974817, 27949634, 41924451, 55899268, 69874085, 83848902, 111798536, 125773353, 139748170, 167697804, 209622255, 223597072, 251546706, 279496340, 335395608, 419244510, 447194144, 503093412, 558992680, 628866765, 670791216, 838489020, 1006186824, 1117985360, 1257733530, 1341582432, 1676978040, 2012373648, 2235970720, 2515467060, 3353956080, 4024747296, 5030934120, 6707912160, 10061868240, 20123736480]

約数ペア:

[(1, 20123736480), (2, 10061868240), (3, 6707912160), (4, 5030934120), (5, 4024747296), (6, 3353956080), (8, 2515467060), (9, 2235970720), (10, 2012373648), (12, 1676978040), (15, 1341582432), (16, 1257733530), (18, 1117985360), (20, 1006186824), (24, 838489020), (30, 670791216), (32, 628866765), (36, 558992680), (40, 503093412), (45, 447194144), (48, 419244510), (60, 335395608), (72, 279496340), (80, 251546706), (90, 223597072), (96, 209622255), (120, 167697804), (144, 139748170), (160, 125773353), (180, 111798536), (240, 83848902), (288, 69874085), (360, 55899268), (480, 41924451), (720, 27949634), (1440, 13974817), (2447, 8223840), (4894, 4111920), (5711, 3523680), (7341, 2741280), (9788, 2055960), (11422, 1761840), (12235, 1644768), (14682, 1370640), (17133, 1174560), (19576, 1027980), (22023, 913760), (22844, 880920), (24470, 822384), (28555, 704736), (29364, 685320), (34266, 587280), (36705, 548256), (39152, 513990), (44046, 456880), (45688, 440460), (48940, 411192), (51399, 391520), (57110, 352368), (58728, 342660), (68532, 293640), (73410, 274128), (78304, 256995), (85665, 234912), (88092, 228440), (91376, 220230), (97880, 205596), (102798, 195760), (110115, 182752), (114220, 176184), (117456, 171330), (137064, 146820)]