68112720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 240

約数和(自身を含む): 259983360

約数和(自身を除く): 191870640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 383, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 766, 780, 855, 912, 936, 988, 1040, 1140, 1149, 1170, 1235, 1368, 1482, 1520, 1532, 1560, 1710, 1872, 1915, 1976, 2223, 2280, 2298, 2340, 2470, 2736, 2964, 3064, 3120, 3420, 3447, 3705, 3830, 3952, 4446, 4560, 4596, 4680, 4940, 4979, 5745, 5928, 6128, 6840, 6894, 7277, 7410, 7660, 8892, 9192, 9360, 9880, 9958, 11115, 11490, 11856, 13680, 13788, 14554, 14820, 14937, 15320, 17235, 17784, 18384, 19760, 19916, 21831, 22230, 22980, 24895, 27576, 29108, 29640, 29874, 30640, 34470, 35568, 36385, 39832, 43662, 44460, 44811, 45960, 49790, 55152, 58216, 59280, 59748, 65493, 68940, 72770, 74685, 79664, 87324, 88920, 89622, 91920, 94601, 99580, 109155, 116432, 119496, 130986, 137880, 145540, 149370, 174648, 177840, 179244, 189202, 199160, 218310, 224055, 238992, 261972, 275760, 283803, 291080, 298740, 327465, 349296, 358488, 378404, 398320, 436620, 448110, 473005, 523944, 567606, 582160, 597480, 654930, 716976, 756808, 851409, 873240, 896220, 946010, 1047888, 1135212, 1194960, 1309860, 1419015, 1513616, 1702818, 1746480, 1792440, 1892020, 2270424, 2619720, 2838030, 3405636, 3584880, 3784040, 4257045, 4540848, 5239440, 5676060, 6811272, 7568080, 8514090, 11352120, 13622544, 17028180, 22704240, 34056360, 68112720]

約数ペア:

[(1, 68112720), (2, 34056360), (3, 22704240), (4, 17028180), (5, 13622544), (6, 11352120), (8, 8514090), (9, 7568080), (10, 6811272), (12, 5676060), (13, 5239440), (15, 4540848), (16, 4257045), (18, 3784040), (19, 3584880), (20, 3405636), (24, 2838030), (26, 2619720), (30, 2270424), (36, 1892020), (38, 1792440), (39, 1746480), (40, 1702818), (45, 1513616), (48, 1419015), (52, 1309860), (57, 1194960), (60, 1135212), (65, 1047888), (72, 946010), (76, 896220), (78, 873240), (80, 851409), (90, 756808), (95, 716976), (104, 654930), (114, 597480), (117, 582160), (120, 567606), (130, 523944), (144, 473005), (152, 448110), (156, 436620), (171, 398320), (180, 378404), (190, 358488), (195, 349296), (208, 327465), (228, 298740), (234, 291080), (240, 283803), (247, 275760), (260, 261972), (285, 238992), (304, 224055), (312, 218310), (342, 199160), (360, 189202), (380, 179244), (383, 177840), (390, 174648), (456, 149370), (468, 145540), (494, 137880), (520, 130986), (570, 119496), (585, 116432), (624, 109155), (684, 99580), (720, 94601), (741, 91920), (760, 89622), (766, 88920), (780, 87324), (855, 79664), (912, 74685), (936, 72770), (988, 68940), (1040, 65493), (1140, 59748), (1149, 59280), (1170, 58216), (1235, 55152), (1368, 49790), (1482, 45960), (1520, 44811), (1532, 44460), (1560, 43662), (1710, 39832), (1872, 36385), (1915, 35568), (1976, 34470), (2223, 30640), (2280, 29874), (2298, 29640), (2340, 29108), (2470, 27576), (2736, 24895), (2964, 22980), (3064, 22230), (3120, 21831), (3420, 19916), (3447, 19760), (3705, 18384), (3830, 17784), (3952, 17235), (4446, 15320), (4560, 14937), (4596, 14820), (4680, 14554), (4940, 13788), (4979, 13680), (5745, 11856), (5928, 11490), (6128, 11115), (6840, 9958), (6894, 9880), (7277, 9360), (7410, 9192), (7660, 8892)]