72168408

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:703

約数の個数: 120

約数和(自身を含む): 219215700

約数和(自身を除く): 147047292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 169, 216, 234, 312, 324, 338, 351, 468, 507, 648, 659, 676, 702, 936, 1014, 1053, 1318, 1352, 1404, 1521, 1977, 2028, 2106, 2636, 2808, 3042, 3954, 4056, 4212, 4563, 5272, 5931, 6084, 7908, 8424, 8567, 9126, 11862, 12168, 13689, 15816, 17134, 17793, 18252, 23724, 25701, 27378, 34268, 35586, 36504, 47448, 51402, 53379, 54756, 68536, 71172, 77103, 102804, 106758, 109512, 111371, 142344, 154206, 205608, 213516, 222742, 231309, 308412, 334113, 427032, 445484, 462618, 616824, 668226, 693927, 890968, 925236, 1002339, 1336452, 1387854, 1850472, 2004678, 2672904, 2775708, 3007017, 4009356, 5551416, 6014034, 8018712, 9021051, 12028068, 18042102, 24056136, 36084204, 72168408]

約数ペア:

[(1, 72168408), (2, 36084204), (3, 24056136), (4, 18042102), (6, 12028068), (8, 9021051), (9, 8018712), (12, 6014034), (13, 5551416), (18, 4009356), (24, 3007017), (26, 2775708), (27, 2672904), (36, 2004678), (39, 1850472), (52, 1387854), (54, 1336452), (72, 1002339), (78, 925236), (81, 890968), (104, 693927), (108, 668226), (117, 616824), (156, 462618), (162, 445484), (169, 427032), (216, 334113), (234, 308412), (312, 231309), (324, 222742), (338, 213516), (351, 205608), (468, 154206), (507, 142344), (648, 111371), (659, 109512), (676, 106758), (702, 102804), (936, 77103), (1014, 71172), (1053, 68536), (1318, 54756), (1352, 53379), (1404, 51402), (1521, 47448), (1977, 36504), (2028, 35586), (2106, 34268), (2636, 27378), (2808, 25701), (3042, 23724), (3954, 18252), (4056, 17793), (4212, 17134), (4563, 15816), (5272, 13689), (5931, 12168), (6084, 11862), (7908, 9126), (8424, 8567)]