128397440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10559}}^1$

素因数の和:10597

約数の個数: 64

約数和(自身を含む): 323136000

約数和(自身を除く): 194738560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 10559, 12160, 21118, 42236, 52795, 84472, 105590, 168944, 200621, 211180, 337888, 401242, 422360, 675776, 802484, 844720, 1003105, 1351552, 1604968, 1689440, 2006210, 3209936, 3378880, 4012420, 6419872, 6757760, 8024840, 12839744, 16049680, 25679488, 32099360, 64198720, 128397440]

約数ペア:

[(1, 128397440), (2, 64198720), (4, 32099360), (5, 25679488), (8, 16049680), (10, 12839744), (16, 8024840), (19, 6757760), (20, 6419872), (32, 4012420), (38, 3378880), (40, 3209936), (64, 2006210), (76, 1689440), (80, 1604968), (95, 1351552), (128, 1003105), (152, 844720), (160, 802484), (190, 675776), (304, 422360), (320, 401242), (380, 337888), (608, 211180), (640, 200621), (760, 168944), (1216, 105590), (1520, 84472), (2432, 52795), (3040, 42236), (6080, 21118), (10559, 12160)]