81638880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{170081}}^1$

素因数の和:170099

約数の個数: 48

約数和(自身を含む): 257163984

約数和(自身を除く): 175525104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 170081, 340162, 510243, 680324, 850405, 1020486, 1360648, 1700810, 2040972, 2551215, 2721296, 3401620, 4081944, 5102430, 5442592, 6803240, 8163888, 10204860, 13606480, 16327776, 20409720, 27212960, 40819440, 81638880]

約数ペア:

[(1, 81638880), (2, 40819440), (3, 27212960), (4, 20409720), (5, 16327776), (6, 13606480), (8, 10204860), (10, 8163888), (12, 6803240), (15, 5442592), (16, 5102430), (20, 4081944), (24, 3401620), (30, 2721296), (32, 2551215), (40, 2040972), (48, 1700810), (60, 1360648), (80, 1020486), (96, 850405), (120, 680324), (160, 510243), (240, 340162), (480, 170081)]