159612800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1664

約数の個数: 96

約数和(自身を含む): 407265600

約数和(自身を除く): 247652800

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, 1550, 1600, 1609, 1984, 2480, 3100, 3200, 3218, 3968, 4960, 6200, 6436, 8045, 9920, 12400, 12872, 16090, 19840, 24800, 25744, 32180, 40225, 49600, 49879, 51488, 64360, 80450, 99200, 99758, 102976, 128720, 160900, 199516, 205952, 249395, 257440, 321800, 399032, 498790, 514880, 643600, 798064, 997580, 1029760, 1246975, 1287200, 1596128, 1995160, 2493950, 2574400, 3192256, 3990320, 4987900, 5148800, 6384512, 7980640, 9975800, 15961280, 19951600, 31922560, 39903200, 79806400, 159612800]

約数ペア:

[(1, 159612800), (2, 79806400), (4, 39903200), (5, 31922560), (8, 19951600), (10, 15961280), (16, 9975800), (20, 7980640), (25, 6384512), (31, 5148800), (32, 4987900), (40, 3990320), (50, 3192256), (62, 2574400), (64, 2493950), (80, 1995160), (100, 1596128), (124, 1287200), (128, 1246975), (155, 1029760), (160, 997580), (200, 798064), (248, 643600), (310, 514880), (320, 498790), (400, 399032), (496, 321800), (620, 257440), (640, 249395), (775, 205952), (800, 199516), (992, 160900), (1240, 128720), (1550, 102976), (1600, 99758), (1609, 99200), (1984, 80450), (2480, 64360), (3100, 51488), (3200, 49879), (3218, 49600), (3968, 40225), (4960, 32180), (6200, 25744), (6436, 24800), (8045, 19840), (9920, 16090), (12400, 12872)]