681219110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 1511129088

約数和(自身を除く): 829909978

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 121, 127, 130, 143, 155, 242, 254, 286, 310, 341, 403, 605, 635, 682, 715, 806, 1210, 1270, 1331, 1397, 1430, 1573, 1651, 1705, 2015, 2662, 2794, 3146, 3302, 3410, 3751, 3937, 4030, 4433, 6655, 6985, 7502, 7865, 7874, 8255, 8866, 13310, 13970, 15367, 15730, 16510, 17303, 18161, 18755, 19685, 22165, 30734, 34606, 36322, 37510, 39370, 41261, 43307, 44330, 48763, 51181, 76835, 82522, 86515, 86614, 90805, 97526, 102362, 153670, 169037, 173030, 181610, 199771, 206305, 216535, 243815, 255905, 338074, 399542, 412610, 433070, 476377, 487630, 511810, 536393, 562991, 845185, 952754, 998855, 1072786, 1125982, 1690370, 1997710, 2197481, 2381885, 2681965, 2814955, 4394962, 4763770, 5240147, 5363930, 5629910, 6192901, 10480294, 10987405, 12385802, 21974810, 26200735, 30964505, 52401470, 61929010, 68121911, 136243822, 340609555, 681219110]

約数ペア:

[(1, 681219110), (2, 340609555), (5, 136243822), (10, 68121911), (11, 61929010), (13, 52401470), (22, 30964505), (26, 26200735), (31, 21974810), (55, 12385802), (62, 10987405), (65, 10480294), (110, 6192901), (121, 5629910), (127, 5363930), (130, 5240147), (143, 4763770), (155, 4394962), (242, 2814955), (254, 2681965), (286, 2381885), (310, 2197481), (341, 1997710), (403, 1690370), (605, 1125982), (635, 1072786), (682, 998855), (715, 952754), (806, 845185), (1210, 562991), (1270, 536393), (1331, 511810), (1397, 487630), (1430, 476377), (1573, 433070), (1651, 412610), (1705, 399542), (2015, 338074), (2662, 255905), (2794, 243815), (3146, 216535), (3302, 206305), (3410, 199771), (3751, 181610), (3937, 173030), (4030, 169037), (4433, 153670), (6655, 102362), (6985, 97526), (7502, 90805), (7865, 86614), (7874, 86515), (8255, 82522), (8866, 76835), (13310, 51181), (13970, 48763), (15367, 44330), (15730, 43307), (16510, 41261), (17303, 39370), (18161, 37510), (18755, 36322), (19685, 34606), (22165, 30734)]