661324716

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1965

約数の個数: 144

約数和(自身を含む): 1955318400

約数和(自身を除く): 1293993684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 108, 114, 117, 156, 169, 171, 228, 234, 247, 338, 342, 351, 468, 494, 507, 513, 676, 684, 702, 741, 988, 1014, 1026, 1404, 1482, 1521, 1907, 2028, 2052, 2223, 2964, 3042, 3211, 3814, 4446, 4563, 5721, 6084, 6422, 6669, 7628, 8892, 9126, 9633, 11442, 12844, 13338, 17163, 18252, 19266, 22884, 24791, 26676, 28899, 34326, 36233, 38532, 49582, 51489, 57798, 68652, 72466, 74373, 86697, 99164, 102978, 108699, 115596, 144932, 148746, 173394, 205956, 217398, 223119, 297492, 322283, 326097, 346788, 434796, 446238, 471029, 644566, 652194, 669357, 892476, 942058, 966849, 978291, 1289132, 1304388, 1338714, 1413087, 1884116, 1933698, 1956582, 2677428, 2826174, 2900547, 3867396, 3913164, 4239261, 5652348, 5801094, 6123377, 8478522, 8701641, 11602188, 12246754, 12717783, 16957044, 17403282, 18370131, 24493508, 25435566, 34806564, 36740262, 50871132, 55110393, 73480524, 110220786, 165331179, 220441572, 330662358, 661324716]

約数ペア:

[(1, 661324716), (2, 330662358), (3, 220441572), (4, 165331179), (6, 110220786), (9, 73480524), (12, 55110393), (13, 50871132), (18, 36740262), (19, 34806564), (26, 25435566), (27, 24493508), (36, 18370131), (38, 17403282), (39, 16957044), (52, 12717783), (54, 12246754), (57, 11602188), (76, 8701641), (78, 8478522), (108, 6123377), (114, 5801094), (117, 5652348), (156, 4239261), (169, 3913164), (171, 3867396), (228, 2900547), (234, 2826174), (247, 2677428), (338, 1956582), (342, 1933698), (351, 1884116), (468, 1413087), (494, 1338714), (507, 1304388), (513, 1289132), (676, 978291), (684, 966849), (702, 942058), (741, 892476), (988, 669357), (1014, 652194), (1026, 644566), (1404, 471029), (1482, 446238), (1521, 434796), (1907, 346788), (2028, 326097), (2052, 322283), (2223, 297492), (2964, 223119), (3042, 217398), (3211, 205956), (3814, 173394), (4446, 148746), (4563, 144932), (5721, 115596), (6084, 108699), (6422, 102978), (6669, 99164), (7628, 86697), (8892, 74373), (9126, 72466), (9633, 68652), (11442, 57798), (12844, 51489), (13338, 49582), (17163, 38532), (18252, 36233), (19266, 34326), (22884, 28899), (24791, 26676)]