127984000

素因数分解:

$2^7\times 5^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 335743200

約数和(自身を除く): 207759200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 304, 320, 380, 400, 421, 475, 500, 608, 640, 760, 800, 842, 950, 1000, 1216, 1520, 1600, 1684, 1900, 2000, 2105, 2375, 2432, 3040, 3200, 3368, 3800, 4000, 4210, 4750, 6080, 6736, 7600, 7999, 8000, 8420, 9500, 10525, 12160, 13472, 15200, 15998, 16000, 16840, 19000, 21050, 26944, 30400, 31996, 33680, 38000, 39995, 42100, 52625, 53888, 60800, 63992, 67360, 76000, 79990, 84200, 105250, 127984, 134720, 152000, 159980, 168400, 199975, 210500, 255968, 269440, 304000, 319960, 336800, 399950, 421000, 511936, 639920, 673600, 799900, 842000, 999875, 1023872, 1279840, 1347200, 1599800, 1684000, 1999750, 2559680, 3199600, 3368000, 3999500, 5119360, 6399200, 6736000, 7999000, 12798400, 15998000, 25596800, 31996000, 63992000, 127984000]

約数ペア:

[(1, 127984000), (2, 63992000), (4, 31996000), (5, 25596800), (8, 15998000), (10, 12798400), (16, 7999000), (19, 6736000), (20, 6399200), (25, 5119360), (32, 3999500), (38, 3368000), (40, 3199600), (50, 2559680), (64, 1999750), (76, 1684000), (80, 1599800), (95, 1347200), (100, 1279840), (125, 1023872), (128, 999875), (152, 842000), (160, 799900), (190, 673600), (200, 639920), (250, 511936), (304, 421000), (320, 399950), (380, 336800), (400, 319960), (421, 304000), (475, 269440), (500, 255968), (608, 210500), (640, 199975), (760, 168400), (800, 159980), (842, 152000), (950, 134720), (1000, 127984), (1216, 105250), (1520, 84200), (1600, 79990), (1684, 76000), (1900, 67360), (2000, 63992), (2105, 60800), (2375, 53888), (2432, 52625), (3040, 42100), (3200, 39995), (3368, 38000), (3800, 33680), (4000, 31996), (4210, 30400), (4750, 26944), (6080, 21050), (6736, 19000), (7600, 16840), (7999, 16000), (8000, 15998), (8420, 15200), (9500, 13472), (10525, 12160)]