1215679520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1075

約数の個数: 192

約数和(自身を含む): 3401782272

約数和(自身を除く): 2186102752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 41, 44, 55, 68, 80, 82, 85, 88, 110, 136, 160, 164, 170, 176, 187, 205, 220, 272, 328, 340, 352, 374, 410, 440, 451, 544, 656, 680, 697, 748, 820, 880, 902, 935, 991, 1312, 1360, 1394, 1496, 1640, 1760, 1804, 1870, 1982, 2255, 2720, 2788, 2992, 3280, 3485, 3608, 3740, 3964, 4510, 4955, 5576, 5984, 6560, 6970, 7216, 7480, 7667, 7928, 9020, 9910, 10901, 11152, 13940, 14432, 14960, 15334, 15856, 16847, 18040, 19820, 21802, 22304, 27880, 29920, 30668, 31712, 33694, 36080, 38335, 39640, 40631, 43604, 54505, 55760, 61336, 67388, 72160, 76670, 79280, 81262, 84235, 87208, 109010, 111520, 122672, 134776, 153340, 158560, 162524, 168470, 174416, 185317, 203155, 218020, 245344, 269552, 306680, 325048, 336940, 348832, 370634, 406310, 436040, 446941, 539104, 613360, 650096, 673880, 690727, 741268, 812620, 872080, 893882, 926585, 1226720, 1300192, 1347760, 1381454, 1482536, 1625240, 1744160, 1787764, 1853170, 2234705, 2695520, 2762908, 2965072, 3250480, 3453635, 3575528, 3706340, 4469410, 5525816, 5930144, 6500960, 6907270, 7151056, 7412680, 7597997, 8938820, 11051632, 13814540, 14302112, 14825360, 15195994, 17877640, 22103264, 27629080, 29650720, 30391988, 35755280, 37989985, 55258160, 60783976, 71510560, 75979970, 110516320, 121567952, 151959940, 243135904, 303919880, 607839760, 1215679520]

約数ペア:

[(1, 1215679520), (2, 607839760), (4, 303919880), (5, 243135904), (8, 151959940), (10, 121567952), (11, 110516320), (16, 75979970), (17, 71510560), (20, 60783976), (22, 55258160), (32, 37989985), (34, 35755280), (40, 30391988), (41, 29650720), (44, 27629080), (55, 22103264), (68, 17877640), (80, 15195994), (82, 14825360), (85, 14302112), (88, 13814540), (110, 11051632), (136, 8938820), (160, 7597997), (164, 7412680), (170, 7151056), (176, 6907270), (187, 6500960), (205, 5930144), (220, 5525816), (272, 4469410), (328, 3706340), (340, 3575528), (352, 3453635), (374, 3250480), (410, 2965072), (440, 2762908), (451, 2695520), (544, 2234705), (656, 1853170), (680, 1787764), (697, 1744160), (748, 1625240), (820, 1482536), (880, 1381454), (902, 1347760), (935, 1300192), (991, 1226720), (1312, 926585), (1360, 893882), (1394, 872080), (1496, 812620), (1640, 741268), (1760, 690727), (1804, 673880), (1870, 650096), (1982, 613360), (2255, 539104), (2720, 446941), (2788, 436040), (2992, 406310), (3280, 370634), (3485, 348832), (3608, 336940), (3740, 325048), (3964, 306680), (4510, 269552), (4955, 245344), (5576, 218020), (5984, 203155), (6560, 185317), (6970, 174416), (7216, 168470), (7480, 162524), (7667, 158560), (7928, 153340), (9020, 134776), (9910, 122672), (10901, 111520), (11152, 109010), (13940, 87208), (14432, 84235), (14960, 81262), (15334, 79280), (15856, 76670), (16847, 72160), (18040, 67388), (19820, 61336), (21802, 55760), (22304, 54505), (27880, 43604), (29920, 40631), (30668, 39640), (31712, 38335), (33694, 36080)]