28739760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17107}}^1$

素因数の和:17130

約数の個数: 80

約数和(自身を含む): 101826816

約数和(自身を除く): 73087056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 17107, 34214, 51321, 68428, 85535, 102642, 119749, 136856, 171070, 205284, 239498, 256605, 273712, 342140, 359247, 410568, 478996, 513210, 598745, 684280, 718494, 821136, 957992, 1026420, 1197490, 1368560, 1436988, 1796235, 1915984, 2052840, 2394980, 2873976, 3592470, 4105680, 4789960, 5747952, 7184940, 9579920, 14369880, 28739760]

約数ペア:

[(1, 28739760), (2, 14369880), (3, 9579920), (4, 7184940), (5, 5747952), (6, 4789960), (7, 4105680), (8, 3592470), (10, 2873976), (12, 2394980), (14, 2052840), (15, 1915984), (16, 1796235), (20, 1436988), (21, 1368560), (24, 1197490), (28, 1026420), (30, 957992), (35, 821136), (40, 718494), (42, 684280), (48, 598745), (56, 513210), (60, 478996), (70, 410568), (80, 359247), (84, 342140), (105, 273712), (112, 256605), (120, 239498), (140, 205284), (168, 171070), (210, 136856), (240, 119749), (280, 102642), (336, 85535), (420, 68428), (560, 51321), (840, 34214), (1680, 17107)]