80181816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 239984640

約数和(自身を除く): 159802824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 61, 66, 78, 88, 104, 122, 132, 143, 156, 183, 244, 264, 286, 312, 366, 383, 429, 488, 572, 671, 732, 766, 793, 858, 1144, 1149, 1342, 1464, 1532, 1586, 1716, 2013, 2298, 2379, 2684, 3064, 3172, 3432, 4026, 4213, 4596, 4758, 4979, 5368, 6344, 8052, 8426, 8723, 9192, 9516, 9958, 12639, 14937, 16104, 16852, 17446, 19032, 19916, 23363, 25278, 26169, 29874, 33704, 34892, 39832, 46726, 50556, 52338, 54769, 59748, 69784, 70089, 93452, 101112, 104676, 109538, 119496, 140178, 164307, 186904, 209352, 219076, 256993, 280356, 303719, 328614, 438152, 513986, 560712, 607438, 657228, 770979, 911157, 1027972, 1214876, 1314456, 1541958, 1822314, 2055944, 2429752, 3083916, 3340909, 3644628, 6167832, 6681818, 7289256, 10022727, 13363636, 20045454, 26727272, 40090908, 80181816]

約数ペア:

[(1, 80181816), (2, 40090908), (3, 26727272), (4, 20045454), (6, 13363636), (8, 10022727), (11, 7289256), (12, 6681818), (13, 6167832), (22, 3644628), (24, 3340909), (26, 3083916), (33, 2429752), (39, 2055944), (44, 1822314), (52, 1541958), (61, 1314456), (66, 1214876), (78, 1027972), (88, 911157), (104, 770979), (122, 657228), (132, 607438), (143, 560712), (156, 513986), (183, 438152), (244, 328614), (264, 303719), (286, 280356), (312, 256993), (366, 219076), (383, 209352), (429, 186904), (488, 164307), (572, 140178), (671, 119496), (732, 109538), (766, 104676), (793, 101112), (858, 93452), (1144, 70089), (1149, 69784), (1342, 59748), (1464, 54769), (1532, 52338), (1586, 50556), (1716, 46726), (2013, 39832), (2298, 34892), (2379, 33704), (2684, 29874), (3064, 26169), (3172, 25278), (3432, 23363), (4026, 19916), (4213, 19032), (4596, 17446), (4758, 16852), (4979, 16104), (5368, 14937), (6344, 12639), (8052, 9958), (8426, 9516), (8723, 9192)]