207021720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 256

約数和(自身を含む): 705024000

約数和(自身を除く): 498002280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 31, 38, 40, 57, 58, 60, 62, 76, 87, 93, 95, 101, 114, 116, 120, 124, 145, 152, 155, 174, 186, 190, 202, 228, 232, 248, 285, 290, 303, 310, 348, 372, 380, 404, 435, 456, 465, 505, 551, 570, 580, 589, 606, 620, 696, 744, 760, 808, 870, 899, 930, 1010, 1102, 1140, 1160, 1178, 1212, 1240, 1515, 1653, 1740, 1767, 1798, 1860, 1919, 2020, 2204, 2280, 2356, 2424, 2697, 2755, 2929, 2945, 3030, 3131, 3306, 3480, 3534, 3596, 3720, 3838, 4040, 4408, 4495, 4712, 5394, 5510, 5757, 5858, 5890, 6060, 6262, 6612, 7068, 7192, 7676, 8265, 8787, 8835, 8990, 9393, 9595, 10788, 11020, 11514, 11716, 11780, 12120, 12524, 13224, 13485, 14136, 14645, 15352, 15655, 16530, 17081, 17574, 17670, 17980, 18786, 19190, 21576, 22040, 23028, 23432, 23560, 25048, 26970, 28785, 29290, 31310, 33060, 34162, 35148, 35340, 35960, 37572, 38380, 43935, 46056, 46965, 51243, 53940, 55651, 57570, 58580, 59489, 62620, 66120, 68324, 70296, 70680, 75144, 76760, 85405, 87870, 90799, 93930, 102486, 107880, 111302, 115140, 117160, 118978, 125240, 136648, 166953, 170810, 175740, 178467, 181598, 187860, 204972, 222604, 230280, 237956, 256215, 272397, 278255, 297445, 333906, 341620, 351480, 356934, 363196, 375720, 409944, 445208, 453995, 475912, 512430, 544794, 556510, 594890, 667812, 683240, 713868, 726392, 834765, 892335, 907990, 1024860, 1089588, 1113020, 1189780, 1335624, 1361985, 1427736, 1669530, 1725181, 1784670, 1815980, 2049720, 2179176, 2226040, 2379560, 2723970, 3339060, 3450362, 3569340, 3631960, 5175543, 5447940, 6678120, 6900724, 7138680, 8625905, 10351086, 10895880, 13801448, 17251810, 20702172, 25877715, 34503620, 41404344, 51755430, 69007240, 103510860, 207021720]

約数ペア:

[(1, 207021720), (2, 103510860), (3, 69007240), (4, 51755430), (5, 41404344), (6, 34503620), (8, 25877715), (10, 20702172), (12, 17251810), (15, 13801448), (19, 10895880), (20, 10351086), (24, 8625905), (29, 7138680), (30, 6900724), (31, 6678120), (38, 5447940), (40, 5175543), (57, 3631960), (58, 3569340), (60, 3450362), (62, 3339060), (76, 2723970), (87, 2379560), (93, 2226040), (95, 2179176), (101, 2049720), (114, 1815980), (116, 1784670), (120, 1725181), (124, 1669530), (145, 1427736), (152, 1361985), (155, 1335624), (174, 1189780), (186, 1113020), (190, 1089588), (202, 1024860), (228, 907990), (232, 892335), (248, 834765), (285, 726392), (290, 713868), (303, 683240), (310, 667812), (348, 594890), (372, 556510), (380, 544794), (404, 512430), (435, 475912), (456, 453995), (465, 445208), (505, 409944), (551, 375720), (570, 363196), (580, 356934), (589, 351480), (606, 341620), (620, 333906), (696, 297445), (744, 278255), (760, 272397), (808, 256215), (870, 237956), (899, 230280), (930, 222604), (1010, 204972), (1102, 187860), (1140, 181598), (1160, 178467), (1178, 175740), (1212, 170810), (1240, 166953), (1515, 136648), (1653, 125240), (1740, 118978), (1767, 117160), (1798, 115140), (1860, 111302), (1919, 107880), (2020, 102486), (2204, 93930), (2280, 90799), (2356, 87870), (2424, 85405), (2697, 76760), (2755, 75144), (2929, 70680), (2945, 70296), (3030, 68324), (3131, 66120), (3306, 62620), (3480, 59489), (3534, 58580), (3596, 57570), (3720, 55651), (3838, 53940), (4040, 51243), (4408, 46965), (4495, 46056), (4712, 43935), (5394, 38380), (5510, 37572), (5757, 35960), (5858, 35340), (5890, 35148), (6060, 34162), (6262, 33060), (6612, 31310), (7068, 29290), (7192, 28785), (7676, 26970), (8265, 25048), (8787, 23560), (8835, 23432), (8990, 23028), (9393, 22040), (9595, 21576), (10788, 19190), (11020, 18786), (11514, 17980), (11716, 17670), (11780, 17574), (12120, 17081), (12524, 16530), (13224, 15655), (13485, 15352), (14136, 14645)]