20145229440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5531}}^1$

素因数の和:5831

約数の個数: 256

約数和(自身を含む): 73670307840

約数和(自身を除く): 53525078400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 271, 280, 320, 336, 384, 420, 448, 480, 542, 560, 640, 672, 813, 840, 896, 960, 1084, 1120, 1344, 1355, 1626, 1680, 1897, 1920, 2168, 2240, 2688, 2710, 3252, 3360, 3794, 4065, 4336, 4480, 5420, 5531, 5691, 6504, 6720, 7588, 8130, 8672, 9485, 10840, 11062, 11382, 13008, 13440, 15176, 16260, 16593, 17344, 18970, 21680, 22124, 22764, 26016, 27655, 28455, 30352, 32520, 33186, 34688, 37940, 38717, 43360, 44248, 45528, 52032, 55310, 56910, 60704, 65040, 66372, 75880, 77434, 82965, 86720, 88496, 91056, 104064, 110620, 113820, 116151, 121408, 130080, 132744, 151760, 154868, 165930, 173440, 176992, 182112, 193585, 221240, 227640, 232302, 242816, 260160, 265488, 303520, 309736, 331860, 353984, 364224, 387170, 442480, 455280, 464604, 520320, 530976, 580755, 607040, 619472, 663720, 707968, 728448, 774340, 884960, 910560, 929208, 1061952, 1161510, 1214080, 1238944, 1327440, 1498901, 1548680, 1769920, 1821120, 1858416, 2123904, 2323020, 2477888, 2654880, 2997802, 3097360, 3539840, 3642240, 3716832, 4496703, 4646040, 4955776, 5309760, 5995604, 6194720, 7433664, 7494505, 8993406, 9292080, 10492307, 10619520, 11991208, 12389440, 14867328, 14989010, 17986812, 18584160, 20984614, 22483515, 23982416, 24778880, 29978020, 31476921, 35973624, 37168320, 41969228, 44967030, 47964832, 52461535, 59956040, 62953842, 71947248, 74336640, 83938456, 89934060, 95929664, 104923070, 119912080, 125907684, 143894496, 157384605, 167876912, 179868120, 191859328, 209846140, 239824160, 251815368, 287788992, 314769210, 335753824, 359736240, 419692280, 479648320, 503630736, 575577984, 629538420, 671507648, 719472480, 839384560, 959296640, 1007261472, 1259076840, 1343015296, 1438944960, 1678769120, 2014522944, 2518153680, 2877889920, 3357538240, 4029045888, 5036307360, 6715076480, 10072614720, 20145229440]

約数ペア:

[(1, 20145229440), (2, 10072614720), (3, 6715076480), (4, 5036307360), (5, 4029045888), (6, 3357538240), (7, 2877889920), (8, 2518153680), (10, 2014522944), (12, 1678769120), (14, 1438944960), (15, 1343015296), (16, 1259076840), (20, 1007261472), (21, 959296640), (24, 839384560), (28, 719472480), (30, 671507648), (32, 629538420), (35, 575577984), (40, 503630736), (42, 479648320), (48, 419692280), (56, 359736240), (60, 335753824), (64, 314769210), (70, 287788992), (80, 251815368), (84, 239824160), (96, 209846140), (105, 191859328), (112, 179868120), (120, 167876912), (128, 157384605), (140, 143894496), (160, 125907684), (168, 119912080), (192, 104923070), (210, 95929664), (224, 89934060), (240, 83938456), (271, 74336640), (280, 71947248), (320, 62953842), (336, 59956040), (384, 52461535), (420, 47964832), (448, 44967030), (480, 41969228), (542, 37168320), (560, 35973624), (640, 31476921), (672, 29978020), (813, 24778880), (840, 23982416), (896, 22483515), (960, 20984614), (1084, 18584160), (1120, 17986812), (1344, 14989010), (1355, 14867328), (1626, 12389440), (1680, 11991208), (1897, 10619520), (1920, 10492307), (2168, 9292080), (2240, 8993406), (2688, 7494505), (2710, 7433664), (3252, 6194720), (3360, 5995604), (3794, 5309760), (4065, 4955776), (4336, 4646040), (4480, 4496703), (5420, 3716832), (5531, 3642240), (5691, 3539840), (6504, 3097360), (6720, 2997802), (7588, 2654880), (8130, 2477888), (8672, 2323020), (9485, 2123904), (10840, 1858416), (11062, 1821120), (11382, 1769920), (13008, 1548680), (13440, 1498901), (15176, 1327440), (16260, 1238944), (16593, 1214080), (17344, 1161510), (18970, 1061952), (21680, 929208), (22124, 910560), (22764, 884960), (26016, 774340), (27655, 728448), (28455, 707968), (30352, 663720), (32520, 619472), (33186, 607040), (34688, 580755), (37940, 530976), (38717, 520320), (43360, 464604), (44248, 455280), (45528, 442480), (52032, 387170), (55310, 364224), (56910, 353984), (60704, 331860), (65040, 309736), (66372, 303520), (75880, 265488), (77434, 260160), (82965, 242816), (86720, 232302), (88496, 227640), (91056, 221240), (104064, 193585), (110620, 182112), (113820, 176992), (116151, 173440), (121408, 165930), (130080, 154868), (132744, 151760)]