77888640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 251164800

約数和(自身を除く): 173276160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 128, 160, 192, 226, 240, 320, 339, 359, 384, 452, 480, 565, 640, 678, 718, 904, 960, 1077, 1130, 1356, 1436, 1695, 1795, 1808, 1920, 2154, 2260, 2712, 2872, 3390, 3590, 3616, 4308, 4520, 5385, 5424, 5744, 6780, 7180, 7232, 8616, 9040, 10770, 10848, 11488, 13560, 14360, 14464, 17232, 18080, 21540, 21696, 22976, 27120, 28720, 34464, 36160, 40567, 43080, 43392, 45952, 54240, 57440, 68928, 72320, 81134, 86160, 108480, 114880, 121701, 137856, 162268, 172320, 202835, 216960, 229760, 243402, 324536, 344640, 405670, 486804, 608505, 649072, 689280, 811340, 973608, 1217010, 1298144, 1622680, 1947216, 2434020, 2596288, 3245360, 3894432, 4868040, 5192576, 6490720, 7788864, 9736080, 12981440, 15577728, 19472160, 25962880, 38944320, 77888640]

約数ペア:

[(1, 77888640), (2, 38944320), (3, 25962880), (4, 19472160), (5, 15577728), (6, 12981440), (8, 9736080), (10, 7788864), (12, 6490720), (15, 5192576), (16, 4868040), (20, 3894432), (24, 3245360), (30, 2596288), (32, 2434020), (40, 1947216), (48, 1622680), (60, 1298144), (64, 1217010), (80, 973608), (96, 811340), (113, 689280), (120, 649072), (128, 608505), (160, 486804), (192, 405670), (226, 344640), (240, 324536), (320, 243402), (339, 229760), (359, 216960), (384, 202835), (452, 172320), (480, 162268), (565, 137856), (640, 121701), (678, 114880), (718, 108480), (904, 86160), (960, 81134), (1077, 72320), (1130, 68928), (1356, 57440), (1436, 54240), (1695, 45952), (1795, 43392), (1808, 43080), (1920, 40567), (2154, 36160), (2260, 34464), (2712, 28720), (2872, 27120), (3390, 22976), (3590, 21696), (3616, 21540), (4308, 18080), (4520, 17232), (5385, 14464), (5424, 14360), (5744, 13560), (6780, 11488), (7180, 10848), (7232, 10770), (8616, 9040)]