65975220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 213857280

約数和(自身を除く): 147882060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 101, 114, 171, 180, 190, 191, 202, 228, 285, 303, 342, 380, 382, 404, 505, 570, 573, 606, 684, 764, 855, 909, 955, 1010, 1140, 1146, 1212, 1515, 1710, 1719, 1818, 1910, 1919, 2020, 2292, 2865, 3030, 3420, 3438, 3629, 3636, 3820, 3838, 4545, 5730, 5757, 6060, 6876, 7258, 7676, 8595, 9090, 9595, 10887, 11460, 11514, 14516, 17190, 17271, 18145, 18180, 19190, 19291, 21774, 23028, 28785, 32661, 34380, 34542, 36290, 38380, 38582, 43548, 54435, 57570, 57873, 65322, 69084, 72580, 77164, 86355, 96455, 108870, 115140, 115746, 130644, 163305, 172710, 173619, 192910, 217740, 231492, 289365, 326610, 345420, 347238, 366529, 385820, 578730, 653220, 694476, 733058, 868095, 1099587, 1157460, 1466116, 1736190, 1832645, 2199174, 3298761, 3472380, 3665290, 4398348, 5497935, 6597522, 7330580, 10995870, 13195044, 16493805, 21991740, 32987610, 65975220]

約数ペア:

[(1, 65975220), (2, 32987610), (3, 21991740), (4, 16493805), (5, 13195044), (6, 10995870), (9, 7330580), (10, 6597522), (12, 5497935), (15, 4398348), (18, 3665290), (19, 3472380), (20, 3298761), (30, 2199174), (36, 1832645), (38, 1736190), (45, 1466116), (57, 1157460), (60, 1099587), (76, 868095), (90, 733058), (95, 694476), (101, 653220), (114, 578730), (171, 385820), (180, 366529), (190, 347238), (191, 345420), (202, 326610), (228, 289365), (285, 231492), (303, 217740), (342, 192910), (380, 173619), (382, 172710), (404, 163305), (505, 130644), (570, 115746), (573, 115140), (606, 108870), (684, 96455), (764, 86355), (855, 77164), (909, 72580), (955, 69084), (1010, 65322), (1140, 57873), (1146, 57570), (1212, 54435), (1515, 43548), (1710, 38582), (1719, 38380), (1818, 36290), (1910, 34542), (1919, 34380), (2020, 32661), (2292, 28785), (2865, 23028), (3030, 21774), (3420, 19291), (3438, 19190), (3629, 18180), (3636, 18145), (3820, 17271), (3838, 17190), (4545, 14516), (5730, 11514), (5757, 11460), (6060, 10887), (6876, 9595), (7258, 9090), (7676, 8595)]