81182790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 236476800

約数和(自身を除く): 155294010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 101, 117, 130, 135, 195, 202, 229, 234, 270, 303, 351, 390, 458, 505, 585, 606, 687, 702, 909, 1010, 1145, 1170, 1313, 1374, 1515, 1755, 1818, 2061, 2290, 2626, 2727, 2977, 3030, 3435, 3510, 3939, 4122, 4545, 5454, 5954, 6183, 6565, 6870, 7878, 8931, 9090, 10305, 11817, 12366, 13130, 13635, 14885, 17862, 19695, 20610, 23129, 23634, 26793, 27270, 29770, 30915, 35451, 39390, 44655, 46258, 53586, 59085, 61830, 69387, 70902, 80379, 89310, 115645, 118170, 133965, 138774, 160758, 177255, 208161, 231290, 267930, 300677, 346935, 354510, 401895, 416322, 601354, 624483, 693870, 803790, 902031, 1040805, 1248966, 1503385, 1804062, 2081610, 2706093, 3006770, 3122415, 4510155, 5412186, 6244830, 8118279, 9020310, 13530465, 16236558, 27060930, 40591395, 81182790]

約数ペア:

[(1, 81182790), (2, 40591395), (3, 27060930), (5, 16236558), (6, 13530465), (9, 9020310), (10, 8118279), (13, 6244830), (15, 5412186), (18, 4510155), (26, 3122415), (27, 3006770), (30, 2706093), (39, 2081610), (45, 1804062), (54, 1503385), (65, 1248966), (78, 1040805), (90, 902031), (101, 803790), (117, 693870), (130, 624483), (135, 601354), (195, 416322), (202, 401895), (229, 354510), (234, 346935), (270, 300677), (303, 267930), (351, 231290), (390, 208161), (458, 177255), (505, 160758), (585, 138774), (606, 133965), (687, 118170), (702, 115645), (909, 89310), (1010, 80379), (1145, 70902), (1170, 69387), (1313, 61830), (1374, 59085), (1515, 53586), (1755, 46258), (1818, 44655), (2061, 39390), (2290, 35451), (2626, 30915), (2727, 29770), (2977, 27270), (3030, 26793), (3435, 23634), (3510, 23129), (3939, 20610), (4122, 19695), (4545, 17862), (5454, 14885), (5954, 13635), (6183, 13130), (6565, 12366), (6870, 11817), (7878, 10305), (8931, 9090)]