20921920800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{2861}}^1$

素因数の和:3172

約数の個数: 288

約数和(自身を含む): 74586101184

約数和(自身を除く): 53664180384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 277, 300, 330, 352, 400, 440, 480, 528, 550, 554, 600, 660, 800, 825, 831, 880, 1056, 1100, 1108, 1200, 1320, 1385, 1650, 1662, 1760, 2200, 2216, 2400, 2640, 2770, 2861, 3047, 3300, 3324, 4155, 4400, 4432, 5280, 5540, 5722, 6094, 6600, 6648, 6925, 8310, 8583, 8800, 8864, 9141, 11080, 11444, 12188, 13200, 13296, 13850, 14305, 15235, 16620, 17166, 18282, 20775, 22160, 22888, 24376, 26400, 26592, 27700, 28610, 30470, 31471, 33240, 34332, 36564, 41550, 42915, 44320, 45705, 45776, 48752, 55400, 57220, 60940, 62942, 66480, 68664, 71525, 73128, 76175, 83100, 85830, 91410, 91552, 94413, 97504, 110800, 114440, 121880, 125884, 132960, 137328, 143050, 146256, 152350, 157355, 166200, 171660, 182820, 188826, 214575, 221600, 228525, 228880, 243760, 251768, 274656, 286100, 292512, 304700, 314710, 332400, 343320, 365640, 377652, 429150, 457050, 457760, 472065, 487520, 503536, 572200, 609400, 629420, 664800, 686640, 731280, 755304, 786775, 792497, 858300, 914100, 944130, 1007072, 1144400, 1218800, 1258840, 1373280, 1462560, 1510608, 1573550, 1584994, 1716600, 1828200, 1888260, 2288800, 2360325, 2377491, 2437600, 2517680, 3021216, 3147100, 3169988, 3433200, 3656400, 3776520, 3962485, 4720650, 4754982, 5035360, 6294200, 6339976, 6866400, 7312800, 7553040, 7924970, 8717467, 9441300, 9509964, 11887455, 12588400, 12679952, 15106080, 15849940, 17434934, 18882600, 19019928, 19812425, 23774910, 25176800, 25359904, 26152401, 31699880, 34869868, 37765200, 38039856, 39624850, 43587335, 47549820, 52304802, 59437275, 63399760, 69739736, 75530400, 76079712, 79249700, 87174670, 95099640, 104609604, 118874550, 126799520, 130762005, 139479472, 158499400, 174349340, 190199280, 209219208, 217936675, 237749100, 261524010, 278958944, 316998800, 348698680, 380398560, 418438416, 435873350, 475498200, 523048020, 633997600, 653810025, 697397360, 836876832, 871746700, 950996400, 1046096040, 1307620050, 1394794720, 1743493400, 1901992800, 2092192080, 2615240100, 3486986800, 4184384160, 5230480200, 6973973600, 10460960400, 20921920800]

約数ペア:

[(1, 20921920800), (2, 10460960400), (3, 6973973600), (4, 5230480200), (5, 4184384160), (6, 3486986800), (8, 2615240100), (10, 2092192080), (11, 1901992800), (12, 1743493400), (15, 1394794720), (16, 1307620050), (20, 1046096040), (22, 950996400), (24, 871746700), (25, 836876832), (30, 697397360), (32, 653810025), (33, 633997600), (40, 523048020), (44, 475498200), (48, 435873350), (50, 418438416), (55, 380398560), (60, 348698680), (66, 316998800), (75, 278958944), (80, 261524010), (88, 237749100), (96, 217936675), (100, 209219208), (110, 190199280), (120, 174349340), (132, 158499400), (150, 139479472), (160, 130762005), (165, 126799520), (176, 118874550), (200, 104609604), (220, 95099640), (240, 87174670), (264, 79249700), (275, 76079712), (277, 75530400), (300, 69739736), (330, 63399760), (352, 59437275), (400, 52304802), (440, 47549820), (480, 43587335), (528, 39624850), (550, 38039856), (554, 37765200), (600, 34869868), (660, 31699880), (800, 26152401), (825, 25359904), (831, 25176800), (880, 23774910), (1056, 19812425), (1100, 19019928), (1108, 18882600), (1200, 17434934), (1320, 15849940), (1385, 15106080), (1650, 12679952), (1662, 12588400), (1760, 11887455), (2200, 9509964), (2216, 9441300), (2400, 8717467), (2640, 7924970), (2770, 7553040), (2861, 7312800), (3047, 6866400), (3300, 6339976), (3324, 6294200), (4155, 5035360), (4400, 4754982), (4432, 4720650), (5280, 3962485), (5540, 3776520), (5722, 3656400), (6094, 3433200), (6600, 3169988), (6648, 3147100), (6925, 3021216), (8310, 2517680), (8583, 2437600), (8800, 2377491), (8864, 2360325), (9141, 2288800), (11080, 1888260), (11444, 1828200), (12188, 1716600), (13200, 1584994), (13296, 1573550), (13850, 1510608), (14305, 1462560), (15235, 1373280), (16620, 1258840), (17166, 1218800), (18282, 1144400), (20775, 1007072), (22160, 944130), (22888, 914100), (24376, 858300), (26400, 792497), (26592, 786775), (27700, 755304), (28610, 731280), (30470, 686640), (31471, 664800), (33240, 629420), (34332, 609400), (36564, 572200), (41550, 503536), (42915, 487520), (44320, 472065), (45705, 457760), (45776, 457050), (48752, 429150), (55400, 377652), (57220, 365640), (60940, 343320), (62942, 332400), (66480, 314710), (68664, 304700), (71525, 292512), (73128, 286100), (76175, 274656), (83100, 251768), (85830, 243760), (91410, 228880), (91552, 228525), (94413, 221600), (97504, 214575), (110800, 188826), (114440, 182820), (121880, 171660), (125884, 166200), (132960, 157355), (137328, 152350), (143050, 146256)]