20725042320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1949}}^1$

素因数の和:2524

約数の個数: 240

約数和(自身を含む): 72348494400

約数和(自身を除く): 51623452080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 547, 648, 720, 810, 972, 1080, 1094, 1215, 1296, 1620, 1641, 1944, 1949, 2160, 2188, 2430, 2735, 3240, 3282, 3888, 3898, 4376, 4860, 4923, 5470, 5847, 6480, 6564, 7796, 8205, 8752, 9720, 9745, 9846, 10940, 11694, 13128, 14769, 15592, 16410, 17541, 19440, 19490, 19692, 21880, 23388, 24615, 26256, 29235, 29538, 31184, 32820, 35082, 38980, 39384, 43760, 44307, 46776, 49230, 52623, 58470, 59076, 65640, 70164, 73845, 77960, 78768, 87705, 88614, 93552, 98460, 105246, 116940, 118152, 131280, 132921, 140328, 147690, 155920, 157869, 175410, 177228, 196920, 210492, 221535, 233880, 236304, 263115, 265842, 280656, 295380, 315738, 350820, 354456, 393840, 420984, 443070, 467760, 473607, 526230, 531684, 590760, 631476, 664605, 701640, 708912, 789345, 841968, 886140, 947214, 1052460, 1063368, 1066103, 1181520, 1262952, 1329210, 1403280, 1578690, 1772280, 1894428, 2104920, 2126736, 2132206, 2368035, 2525904, 2658420, 3157380, 3198309, 3544560, 3788856, 4209840, 4264412, 4736070, 5316840, 5330515, 6314760, 6396618, 7577712, 8528824, 9472140, 9594927, 10633680, 10661030, 12629520, 12793236, 15991545, 17057648, 18944280, 19189854, 21322060, 25586472, 28784781, 31983090, 37888560, 38379708, 42644120, 47974635, 51172944, 57569562, 63966180, 76759416, 85288240, 86354343, 95949270, 115139124, 127932360, 143923905, 153518832, 172708686, 191898540, 230278248, 255864720, 259063029, 287847810, 345417372, 383797080, 431771715, 460556496, 518126058, 575695620, 690834744, 767594160, 863543430, 1036252116, 1151391240, 1295315145, 1381669488, 1727086860, 2072504232, 2302782480, 2590630290, 3454173720, 4145008464, 5181260580, 6908347440, 10362521160, 20725042320]

約数ペア:

[(1, 20725042320), (2, 10362521160), (3, 6908347440), (4, 5181260580), (5, 4145008464), (6, 3454173720), (8, 2590630290), (9, 2302782480), (10, 2072504232), (12, 1727086860), (15, 1381669488), (16, 1295315145), (18, 1151391240), (20, 1036252116), (24, 863543430), (27, 767594160), (30, 690834744), (36, 575695620), (40, 518126058), (45, 460556496), (48, 431771715), (54, 383797080), (60, 345417372), (72, 287847810), (80, 259063029), (81, 255864720), (90, 230278248), (108, 191898540), (120, 172708686), (135, 153518832), (144, 143923905), (162, 127932360), (180, 115139124), (216, 95949270), (240, 86354343), (243, 85288240), (270, 76759416), (324, 63966180), (360, 57569562), (405, 51172944), (432, 47974635), (486, 42644120), (540, 38379708), (547, 37888560), (648, 31983090), (720, 28784781), (810, 25586472), (972, 21322060), (1080, 19189854), (1094, 18944280), (1215, 17057648), (1296, 15991545), (1620, 12793236), (1641, 12629520), (1944, 10661030), (1949, 10633680), (2160, 9594927), (2188, 9472140), (2430, 8528824), (2735, 7577712), (3240, 6396618), (3282, 6314760), (3888, 5330515), (3898, 5316840), (4376, 4736070), (4860, 4264412), (4923, 4209840), (5470, 3788856), (5847, 3544560), (6480, 3198309), (6564, 3157380), (7796, 2658420), (8205, 2525904), (8752, 2368035), (9720, 2132206), (9745, 2126736), (9846, 2104920), (10940, 1894428), (11694, 1772280), (13128, 1578690), (14769, 1403280), (15592, 1329210), (16410, 1262952), (17541, 1181520), (19440, 1066103), (19490, 1063368), (19692, 1052460), (21880, 947214), (23388, 886140), (24615, 841968), (26256, 789345), (29235, 708912), (29538, 701640), (31184, 664605), (32820, 631476), (35082, 590760), (38980, 531684), (39384, 526230), (43760, 473607), (44307, 467760), (46776, 443070), (49230, 420984), (52623, 393840), (58470, 354456), (59076, 350820), (65640, 315738), (70164, 295380), (73845, 280656), (77960, 265842), (78768, 263115), (87705, 236304), (88614, 233880), (93552, 221535), (98460, 210492), (105246, 196920), (116940, 177228), (118152, 175410), (131280, 157869), (132921, 155920), (140328, 147690)]