128662400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1352

約数の個数: 96

約数和(自身を含む): 328342080

約数和(自身を除く): 199679680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1297, 1550, 1600, 1984, 2480, 2594, 3100, 3200, 3968, 4960, 5188, 6200, 6485, 9920, 10376, 12400, 12970, 19840, 20752, 24800, 25940, 32425, 40207, 41504, 49600, 51880, 64850, 80414, 83008, 99200, 103760, 129700, 160828, 166016, 201035, 207520, 259400, 321656, 402070, 415040, 518800, 643312, 804140, 830080, 1005175, 1037600, 1286624, 1608280, 2010350, 2075200, 2573248, 3216560, 4020700, 4150400, 5146496, 6433120, 8041400, 12866240, 16082800, 25732480, 32165600, 64331200, 128662400]

約数ペア:

[(1, 128662400), (2, 64331200), (4, 32165600), (5, 25732480), (8, 16082800), (10, 12866240), (16, 8041400), (20, 6433120), (25, 5146496), (31, 4150400), (32, 4020700), (40, 3216560), (50, 2573248), (62, 2075200), (64, 2010350), (80, 1608280), (100, 1286624), (124, 1037600), (128, 1005175), (155, 830080), (160, 804140), (200, 643312), (248, 518800), (310, 415040), (320, 402070), (400, 321656), (496, 259400), (620, 207520), (640, 201035), (775, 166016), (800, 160828), (992, 129700), (1240, 103760), (1297, 99200), (1550, 83008), (1600, 80414), (1984, 64850), (2480, 51880), (2594, 49600), (3100, 41504), (3200, 40207), (3968, 32425), (4960, 25940), (5188, 24800), (6200, 20752), (6485, 19840), (9920, 12970), (10376, 12400)]