21351208320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285139}}^1$

素因数の和:285177

約数の個数: 192

約数和(自身を含む): 79400084400

約数和(自身を除く): 58048876080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 9360, 12480, 14976, 18720, 24960, 37440, 74880, 285139, 570278, 855417, 1140556, 1425695, 1710834, 2281112, 2566251, 2851390, 3421668, 3706807, 4277085, 4562224, 5132502, 5702780, 6843336, 7413614, 8554170, 9124448, 10265004, 11120421, 11405560, 12831255, 13686672, 14827228, 17108340, 18248896, 18534035, 20530008, 22240842, 22811120, 25662510, 27373344, 29654456, 33361263, 34216680, 36497792, 37068070, 41060016, 44481684, 45622240, 51325020, 54746688, 55602105, 59308912, 66722526, 68433360, 74136140, 82120032, 88963368, 91244480, 102650040, 109493376, 111204210, 118617824, 133445052, 136866720, 148272280, 164240064, 166806315, 177926736, 182488960, 205300080, 222408420, 237235648, 266890104, 273733440, 296544560, 328480128, 333612630, 355853472, 410600160, 444816840, 474471296, 533780208, 547466880, 593089120, 667225260, 711706944, 821200320, 889633680, 1067560416, 1186178240, 1334450520, 1423413888, 1642400640, 1779267360, 2135120832, 2372356480, 2668901040, 3558534720, 4270241664, 5337802080, 7117069440, 10675604160, 21351208320]

約数ペア:

[(1, 21351208320), (2, 10675604160), (3, 7117069440), (4, 5337802080), (5, 4270241664), (6, 3558534720), (8, 2668901040), (9, 2372356480), (10, 2135120832), (12, 1779267360), (13, 1642400640), (15, 1423413888), (16, 1334450520), (18, 1186178240), (20, 1067560416), (24, 889633680), (26, 821200320), (30, 711706944), (32, 667225260), (36, 593089120), (39, 547466880), (40, 533780208), (45, 474471296), (48, 444816840), (52, 410600160), (60, 355853472), (64, 333612630), (65, 328480128), (72, 296544560), (78, 273733440), (80, 266890104), (90, 237235648), (96, 222408420), (104, 205300080), (117, 182488960), (120, 177926736), (128, 166806315), (130, 164240064), (144, 148272280), (156, 136866720), (160, 133445052), (180, 118617824), (192, 111204210), (195, 109493376), (208, 102650040), (234, 91244480), (240, 88963368), (260, 82120032), (288, 74136140), (312, 68433360), (320, 66722526), (360, 59308912), (384, 55602105), (390, 54746688), (416, 51325020), (468, 45622240), (480, 44481684), (520, 41060016), (576, 37068070), (585, 36497792), (624, 34216680), (640, 33361263), (720, 29654456), (780, 27373344), (832, 25662510), (936, 22811120), (960, 22240842), (1040, 20530008), (1152, 18534035), (1170, 18248896), (1248, 17108340), (1440, 14827228), (1560, 13686672), (1664, 12831255), (1872, 11405560), (1920, 11120421), (2080, 10265004), (2340, 9124448), (2496, 8554170), (2880, 7413614), (3120, 6843336), (3744, 5702780), (4160, 5132502), (4680, 4562224), (4992, 4277085), (5760, 3706807), (6240, 3421668), (7488, 2851390), (8320, 2566251), (9360, 2281112), (12480, 1710834), (14976, 1425695), (18720, 1140556), (24960, 855417), (37440, 570278), (74880, 285139)]