81346410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 232070400

約数和(自身を除く): 150723990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 101, 114, 135, 157, 171, 190, 202, 270, 285, 303, 314, 342, 471, 505, 513, 570, 606, 785, 855, 909, 942, 1010, 1026, 1413, 1515, 1570, 1710, 1818, 1919, 2355, 2565, 2727, 2826, 2983, 3030, 3838, 4239, 4545, 4710, 5130, 5454, 5757, 5966, 7065, 8478, 8949, 9090, 9595, 11514, 13635, 14130, 14915, 15857, 17271, 17898, 19190, 21195, 26847, 27270, 28785, 29830, 31714, 34542, 42390, 44745, 47571, 51813, 53694, 57570, 79285, 80541, 86355, 89490, 95142, 103626, 134235, 142713, 158570, 161082, 172710, 237855, 259065, 268470, 285426, 301283, 402705, 428139, 475710, 518130, 602566, 713565, 805410, 856278, 903849, 1427130, 1506415, 1807698, 2140695, 2711547, 3012830, 4281390, 4519245, 5423094, 8134641, 9038490, 13557735, 16269282, 27115470, 40673205, 81346410]

約数ペア:

[(1, 81346410), (2, 40673205), (3, 27115470), (5, 16269282), (6, 13557735), (9, 9038490), (10, 8134641), (15, 5423094), (18, 4519245), (19, 4281390), (27, 3012830), (30, 2711547), (38, 2140695), (45, 1807698), (54, 1506415), (57, 1427130), (90, 903849), (95, 856278), (101, 805410), (114, 713565), (135, 602566), (157, 518130), (171, 475710), (190, 428139), (202, 402705), (270, 301283), (285, 285426), (303, 268470), (314, 259065), (342, 237855), (471, 172710), (505, 161082), (513, 158570), (570, 142713), (606, 134235), (785, 103626), (855, 95142), (909, 89490), (942, 86355), (1010, 80541), (1026, 79285), (1413, 57570), (1515, 53694), (1570, 51813), (1710, 47571), (1818, 44745), (1919, 42390), (2355, 34542), (2565, 31714), (2727, 29830), (2826, 28785), (2983, 27270), (3030, 26847), (3838, 21195), (4239, 19190), (4545, 17898), (4710, 17271), (5130, 15857), (5454, 14915), (5757, 14130), (5966, 13635), (7065, 11514), (8478, 9595), (8949, 9090)]