20492712720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{113}}^2\times {\mathrm{743}}^1$

素因数の和:991

約数の個数: 240

約数和(自身を含む): 71312042880

約数和(自身を除く): 50819330160

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, 90, 108, 113, 120, 135, 144, 180, 216, 226, 240, 270, 339, 360, 432, 452, 540, 565, 678, 720, 743, 904, 1017, 1080, 1130, 1356, 1486, 1695, 1808, 2034, 2160, 2229, 2260, 2712, 2972, 3051, 3390, 3715, 4068, 4458, 4520, 5085, 5424, 5944, 6102, 6687, 6780, 7430, 8136, 8916, 9040, 10170, 11145, 11888, 12204, 12769, 13374, 13560, 14860, 15255, 16272, 17832, 20061, 20340, 22290, 24408, 25538, 26748, 27120, 29720, 30510, 33435, 35664, 38307, 40122, 40680, 44580, 48816, 51076, 53496, 59440, 61020, 63845, 66870, 76614, 80244, 81360, 83959, 89160, 100305, 102152, 106992, 114921, 122040, 127690, 133740, 153228, 160488, 167918, 178320, 191535, 200610, 204304, 229842, 244080, 251877, 255380, 267480, 306456, 320976, 335836, 344763, 383070, 401220, 419795, 459684, 503754, 510760, 534960, 574605, 612912, 671672, 689526, 755631, 766140, 802440, 839590, 919368, 1007508, 1021520, 1149210, 1259385, 1343344, 1379052, 1511262, 1532280, 1604880, 1679180, 1723815, 1838736, 2015016, 2266893, 2298420, 2518770, 2758104, 3022524, 3064560, 3358360, 3447630, 3778155, 4030032, 4533786, 4596840, 5037540, 5516208, 6045048, 6716720, 6895260, 7556310, 9067572, 9193680, 9487367, 10075080, 11334465, 12090096, 13790520, 15112620, 18135144, 18974734, 20150160, 22668930, 27581040, 28462101, 30225240, 36270288, 37949468, 45337860, 47436835, 56924202, 60450480, 75898936, 85386303, 90675720, 94873670, 113848404, 142310505, 151797872, 170772606, 181351440, 189747340, 227696808, 256158909, 284621010, 341545212, 379494680, 426931515, 455393616, 512317818, 569242020, 683090424, 758989360, 853863030, 1024635636, 1138484040, 1280794545, 1366180848, 1707726060, 2049271272, 2276968080, 2561589090, 3415452120, 4098542544, 5123178180, 6830904240, 10246356360, 20492712720]

約数ペア:

[(1, 20492712720), (2, 10246356360), (3, 6830904240), (4, 5123178180), (5, 4098542544), (6, 3415452120), (8, 2561589090), (9, 2276968080), (10, 2049271272), (12, 1707726060), (15, 1366180848), (16, 1280794545), (18, 1138484040), (20, 1024635636), (24, 853863030), (27, 758989360), (30, 683090424), (36, 569242020), (40, 512317818), (45, 455393616), (48, 426931515), (54, 379494680), (60, 341545212), (72, 284621010), (80, 256158909), (90, 227696808), (108, 189747340), (113, 181351440), (120, 170772606), (135, 151797872), (144, 142310505), (180, 113848404), (216, 94873670), (226, 90675720), (240, 85386303), (270, 75898936), (339, 60450480), (360, 56924202), (432, 47436835), (452, 45337860), (540, 37949468), (565, 36270288), (678, 30225240), (720, 28462101), (743, 27581040), (904, 22668930), (1017, 20150160), (1080, 18974734), (1130, 18135144), (1356, 15112620), (1486, 13790520), (1695, 12090096), (1808, 11334465), (2034, 10075080), (2160, 9487367), (2229, 9193680), (2260, 9067572), (2712, 7556310), (2972, 6895260), (3051, 6716720), (3390, 6045048), (3715, 5516208), (4068, 5037540), (4458, 4596840), (4520, 4533786), (5085, 4030032), (5424, 3778155), (5944, 3447630), (6102, 3358360), (6687, 3064560), (6780, 3022524), (7430, 2758104), (8136, 2518770), (8916, 2298420), (9040, 2266893), (10170, 2015016), (11145, 1838736), (11888, 1723815), (12204, 1679180), (12769, 1604880), (13374, 1532280), (13560, 1511262), (14860, 1379052), (15255, 1343344), (16272, 1259385), (17832, 1149210), (20061, 1021520), (20340, 1007508), (22290, 919368), (24408, 839590), (25538, 802440), (26748, 766140), (27120, 755631), (29720, 689526), (30510, 671672), (33435, 612912), (35664, 574605), (38307, 534960), (40122, 510760), (40680, 503754), (44580, 459684), (48816, 419795), (51076, 401220), (53496, 383070), (59440, 344763), (61020, 335836), (63845, 320976), (66870, 306456), (76614, 267480), (80244, 255380), (81360, 251877), (83959, 244080), (89160, 229842), (100305, 204304), (102152, 200610), (106992, 191535), (114921, 178320), (122040, 167918), (127690, 160488), (133740, 153228)]