81908750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 205134336

約数和(自身を除く): 123225586

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 37, 46, 50, 55, 70, 74, 77, 110, 115, 125, 154, 161, 175, 185, 230, 250, 253, 259, 275, 322, 350, 370, 385, 407, 506, 518, 550, 575, 625, 770, 805, 814, 851, 875, 925, 1150, 1250, 1265, 1295, 1375, 1610, 1702, 1750, 1771, 1850, 1925, 2035, 2530, 2590, 2750, 2849, 2875, 3542, 3850, 4025, 4070, 4255, 4375, 4625, 5698, 5750, 5957, 6325, 6475, 6875, 8050, 8510, 8750, 8855, 9250, 9361, 9625, 10175, 11914, 12650, 12950, 13750, 14245, 14375, 17710, 18722, 19250, 20125, 20350, 21275, 23125, 28490, 28750, 29785, 31625, 32375, 40250, 42550, 44275, 46250, 46805, 48125, 50875, 59570, 63250, 64750, 65527, 71225, 88550, 93610, 96250, 100625, 101750, 106375, 131054, 142450, 148925, 158125, 161875, 201250, 212750, 221375, 234025, 254375, 297850, 316250, 323750, 327635, 356125, 442750, 468050, 508750, 531875, 655270, 712250, 744625, 1063750, 1106875, 1170125, 1489250, 1638175, 1780625, 2213750, 2340250, 3276350, 3561250, 3723125, 5850625, 7446250, 8190875, 11701250, 16381750, 40954375, 81908750]

約数ペア:

[(1, 81908750), (2, 40954375), (5, 16381750), (7, 11701250), (10, 8190875), (11, 7446250), (14, 5850625), (22, 3723125), (23, 3561250), (25, 3276350), (35, 2340250), (37, 2213750), (46, 1780625), (50, 1638175), (55, 1489250), (70, 1170125), (74, 1106875), (77, 1063750), (110, 744625), (115, 712250), (125, 655270), (154, 531875), (161, 508750), (175, 468050), (185, 442750), (230, 356125), (250, 327635), (253, 323750), (259, 316250), (275, 297850), (322, 254375), (350, 234025), (370, 221375), (385, 212750), (407, 201250), (506, 161875), (518, 158125), (550, 148925), (575, 142450), (625, 131054), (770, 106375), (805, 101750), (814, 100625), (851, 96250), (875, 93610), (925, 88550), (1150, 71225), (1250, 65527), (1265, 64750), (1295, 63250), (1375, 59570), (1610, 50875), (1702, 48125), (1750, 46805), (1771, 46250), (1850, 44275), (1925, 42550), (2035, 40250), (2530, 32375), (2590, 31625), (2750, 29785), (2849, 28750), (2875, 28490), (3542, 23125), (3850, 21275), (4025, 20350), (4070, 20125), (4255, 19250), (4375, 18722), (4625, 17710), (5698, 14375), (5750, 14245), (5957, 13750), (6325, 12950), (6475, 12650), (6875, 11914), (8050, 10175), (8510, 9625), (8750, 9361), (8855, 9250)]