80823540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 270732672

約数和(自身を除く): 189909132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 735, 740, 743, 777, 980, 1036, 1110, 1295, 1470, 1486, 1554, 1813, 2220, 2229, 2590, 2940, 2972, 3108, 3626, 3715, 3885, 4458, 5180, 5201, 5439, 7252, 7430, 7770, 8916, 9065, 10402, 10878, 11145, 14860, 15540, 15603, 18130, 20804, 21756, 22290, 26005, 27195, 27491, 31206, 36260, 36407, 44580, 52010, 54390, 54982, 62412, 72814, 78015, 82473, 104020, 108780, 109221, 109964, 137455, 145628, 156030, 164946, 182035, 192437, 218442, 274910, 312060, 329892, 364070, 384874, 412365, 436884, 546105, 549820, 577311, 728140, 769748, 824730, 962185, 1092210, 1154622, 1347059, 1649460, 1924370, 2184420, 2309244, 2694118, 2886555, 3848740, 4041177, 5388236, 5773110, 6735295, 8082354, 11546220, 13470590, 16164708, 20205885, 26941180, 40411770, 80823540]

約数ペア:

[(1, 80823540), (2, 40411770), (3, 26941180), (4, 20205885), (5, 16164708), (6, 13470590), (7, 11546220), (10, 8082354), (12, 6735295), (14, 5773110), (15, 5388236), (20, 4041177), (21, 3848740), (28, 2886555), (30, 2694118), (35, 2309244), (37, 2184420), (42, 1924370), (49, 1649460), (60, 1347059), (70, 1154622), (74, 1092210), (84, 962185), (98, 824730), (105, 769748), (111, 728140), (140, 577311), (147, 549820), (148, 546105), (185, 436884), (196, 412365), (210, 384874), (222, 364070), (245, 329892), (259, 312060), (294, 274910), (370, 218442), (420, 192437), (444, 182035), (490, 164946), (518, 156030), (555, 145628), (588, 137455), (735, 109964), (740, 109221), (743, 108780), (777, 104020), (980, 82473), (1036, 78015), (1110, 72814), (1295, 62412), (1470, 54982), (1486, 54390), (1554, 52010), (1813, 44580), (2220, 36407), (2229, 36260), (2590, 31206), (2940, 27491), (2972, 27195), (3108, 26005), (3626, 22290), (3715, 21756), (3885, 20804), (4458, 18130), (5180, 15603), (5201, 15540), (5439, 14860), (7252, 11145), (7430, 10878), (7770, 10402), (8916, 9065)]