640605672

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7433}}^1$

素因数の和:7477

約数の個数: 160

約数和(自身を含む): 2158833600

約数和(自身を除く): 1518227928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 81, 84, 108, 114, 126, 133, 152, 162, 168, 171, 189, 216, 228, 252, 266, 324, 342, 378, 399, 456, 504, 513, 532, 567, 648, 684, 756, 798, 1026, 1064, 1134, 1197, 1368, 1512, 1539, 1596, 2052, 2268, 2394, 3078, 3192, 3591, 4104, 4536, 4788, 6156, 7182, 7433, 9576, 10773, 12312, 14364, 14866, 21546, 22299, 28728, 29732, 43092, 44598, 52031, 59464, 66897, 86184, 89196, 104062, 133794, 141227, 156093, 178392, 200691, 208124, 267588, 282454, 312186, 401382, 416248, 423681, 468279, 535176, 564908, 602073, 624372, 802764, 847362, 936558, 988589, 1129816, 1204146, 1248744, 1271043, 1404837, 1605528, 1694724, 1873116, 1977178, 2408292, 2542086, 2809674, 2965767, 3389448, 3746232, 3813129, 3954356, 4214511, 4816584, 5084172, 5619348, 5931534, 7626258, 7908712, 8429022, 8897301, 10168344, 11238696, 11439387, 11863068, 15252516, 16858044, 17794602, 22878774, 23726136, 26691903, 30505032, 33716088, 35589204, 45757548, 53383806, 71178408, 80075709, 91515096, 106767612, 160151418, 213535224, 320302836, 640605672]

約数ペア:

[(1, 640605672), (2, 320302836), (3, 213535224), (4, 160151418), (6, 106767612), (7, 91515096), (8, 80075709), (9, 71178408), (12, 53383806), (14, 45757548), (18, 35589204), (19, 33716088), (21, 30505032), (24, 26691903), (27, 23726136), (28, 22878774), (36, 17794602), (38, 16858044), (42, 15252516), (54, 11863068), (56, 11439387), (57, 11238696), (63, 10168344), (72, 8897301), (76, 8429022), (81, 7908712), (84, 7626258), (108, 5931534), (114, 5619348), (126, 5084172), (133, 4816584), (152, 4214511), (162, 3954356), (168, 3813129), (171, 3746232), (189, 3389448), (216, 2965767), (228, 2809674), (252, 2542086), (266, 2408292), (324, 1977178), (342, 1873116), (378, 1694724), (399, 1605528), (456, 1404837), (504, 1271043), (513, 1248744), (532, 1204146), (567, 1129816), (648, 988589), (684, 936558), (756, 847362), (798, 802764), (1026, 624372), (1064, 602073), (1134, 564908), (1197, 535176), (1368, 468279), (1512, 423681), (1539, 416248), (1596, 401382), (2052, 312186), (2268, 282454), (2394, 267588), (3078, 208124), (3192, 200691), (3591, 178392), (4104, 156093), (4536, 141227), (4788, 133794), (6156, 104062), (7182, 89196), (7433, 86184), (9576, 66897), (10773, 59464), (12312, 52031), (14364, 44598), (14866, 43092), (21546, 29732), (22299, 28728)]