645905988

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1208

約数の個数: 240

約数和(自身を含む): 2189461120

約数和(自身を除く): 1543555132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 81, 84, 91, 108, 114, 117, 126, 133, 156, 162, 171, 182, 189, 228, 234, 247, 252, 266, 273, 324, 342, 351, 364, 378, 399, 468, 494, 513, 532, 546, 567, 684, 702, 741, 756, 798, 819, 988, 1026, 1053, 1092, 1134, 1153, 1197, 1404, 1482, 1539, 1596, 1638, 1729, 2052, 2106, 2223, 2268, 2306, 2394, 2457, 2964, 3078, 3276, 3458, 3459, 3591, 4212, 4446, 4612, 4788, 4914, 5187, 6156, 6669, 6916, 6918, 7182, 7371, 8071, 8892, 9828, 10374, 10377, 10773, 13338, 13836, 14364, 14742, 14989, 15561, 16142, 20007, 20748, 20754, 21546, 21907, 24213, 26676, 29484, 29978, 31122, 31131, 32284, 40014, 41508, 43092, 43814, 44967, 46683, 48426, 59956, 62244, 62262, 65721, 72639, 80028, 87628, 89934, 93366, 93393, 96852, 104923, 124524, 131442, 134901, 140049, 145278, 153349, 179868, 186732, 186786, 197163, 209846, 217917, 262884, 269802, 280098, 284791, 290556, 306698, 314769, 373572, 394326, 404703, 419692, 435834, 460047, 539604, 560196, 569582, 591489, 613396, 629538, 653751, 788652, 809406, 854373, 871668, 920094, 944307, 1139164, 1182978, 1214109, 1259076, 1307502, 1380141, 1618812, 1708746, 1774467, 1840188, 1888614, 1993537, 2365956, 2428218, 2563119, 2615004, 2760282, 2832921, 3417492, 3548934, 3777228, 3987074, 4140423, 4856436, 5126238, 5520564, 5665842, 5980611, 7097868, 7689357, 7974148, 8280846, 8498763, 10252476, 11331684, 11961222, 12421269, 15378714, 16561692, 16997526, 17941833, 23068071, 23922444, 24842538, 30757428, 33995052, 35883666, 46136142, 49685076, 53825499, 71767332, 92272284, 107650998, 161476497, 215301996, 322952994, 645905988]

約数ペア:

[(1, 645905988), (2, 322952994), (3, 215301996), (4, 161476497), (6, 107650998), (7, 92272284), (9, 71767332), (12, 53825499), (13, 49685076), (14, 46136142), (18, 35883666), (19, 33995052), (21, 30757428), (26, 24842538), (27, 23922444), (28, 23068071), (36, 17941833), (38, 16997526), (39, 16561692), (42, 15378714), (52, 12421269), (54, 11961222), (57, 11331684), (63, 10252476), (76, 8498763), (78, 8280846), (81, 7974148), (84, 7689357), (91, 7097868), (108, 5980611), (114, 5665842), (117, 5520564), (126, 5126238), (133, 4856436), (156, 4140423), (162, 3987074), (171, 3777228), (182, 3548934), (189, 3417492), (228, 2832921), (234, 2760282), (247, 2615004), (252, 2563119), (266, 2428218), (273, 2365956), (324, 1993537), (342, 1888614), (351, 1840188), (364, 1774467), (378, 1708746), (399, 1618812), (468, 1380141), (494, 1307502), (513, 1259076), (532, 1214109), (546, 1182978), (567, 1139164), (684, 944307), (702, 920094), (741, 871668), (756, 854373), (798, 809406), (819, 788652), (988, 653751), (1026, 629538), (1053, 613396), (1092, 591489), (1134, 569582), (1153, 560196), (1197, 539604), (1404, 460047), (1482, 435834), (1539, 419692), (1596, 404703), (1638, 394326), (1729, 373572), (2052, 314769), (2106, 306698), (2223, 290556), (2268, 284791), (2306, 280098), (2394, 269802), (2457, 262884), (2964, 217917), (3078, 209846), (3276, 197163), (3458, 186786), (3459, 186732), (3591, 179868), (4212, 153349), (4446, 145278), (4612, 140049), (4788, 134901), (4914, 131442), (5187, 124524), (6156, 104923), (6669, 96852), (6916, 93393), (6918, 93366), (7182, 89934), (7371, 87628), (8071, 80028), (8892, 72639), (9828, 65721), (10374, 62262), (10377, 62244), (10773, 59956), (13338, 48426), (13836, 46683), (14364, 44967), (14742, 43814), (14989, 43092), (15561, 41508), (16142, 40014), (20007, 32284), (20748, 31131), (20754, 31122), (21546, 29978), (21907, 29484), (24213, 26676)]