68646400

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 120

約数和(自身を含む): 176577984

約数和(自身を除く): 107931584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 173, 200, 248, 256, 310, 320, 346, 400, 496, 512, 620, 640, 692, 775, 800, 865, 992, 1240, 1280, 1384, 1550, 1600, 1730, 1984, 2480, 2560, 2768, 3100, 3200, 3460, 3968, 4325, 4960, 5363, 5536, 6200, 6400, 6920, 7936, 8650, 9920, 10726, 11072, 12400, 12800, 13840, 15872, 17300, 19840, 21452, 22144, 24800, 26815, 27680, 34600, 39680, 42904, 44288, 49600, 53630, 55360, 69200, 79360, 85808, 88576, 99200, 107260, 110720, 134075, 138400, 171616, 198400, 214520, 221440, 268150, 276800, 343232, 396800, 429040, 442880, 536300, 553600, 686464, 858080, 1072600, 1107200, 1372928, 1716160, 2145200, 2214400, 2745856, 3432320, 4290400, 6864640, 8580800, 13729280, 17161600, 34323200, 68646400]

約数ペア:

[(1, 68646400), (2, 34323200), (4, 17161600), (5, 13729280), (8, 8580800), (10, 6864640), (16, 4290400), (20, 3432320), (25, 2745856), (31, 2214400), (32, 2145200), (40, 1716160), (50, 1372928), (62, 1107200), (64, 1072600), (80, 858080), (100, 686464), (124, 553600), (128, 536300), (155, 442880), (160, 429040), (173, 396800), (200, 343232), (248, 276800), (256, 268150), (310, 221440), (320, 214520), (346, 198400), (400, 171616), (496, 138400), (512, 134075), (620, 110720), (640, 107260), (692, 99200), (775, 88576), (800, 85808), (865, 79360), (992, 69200), (1240, 55360), (1280, 53630), (1384, 49600), (1550, 44288), (1600, 42904), (1730, 39680), (1984, 34600), (2480, 27680), (2560, 26815), (2768, 24800), (3100, 22144), (3200, 21452), (3460, 19840), (3968, 17300), (4325, 15872), (4960, 13840), (5363, 12800), (5536, 12400), (6200, 11072), (6400, 10726), (6920, 9920), (7936, 8650)]