28202280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1181}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 85104000

約数和(自身を除く): 56901720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1181, 1194, 1592, 1990, 2362, 2388, 2985, 3543, 3980, 4724, 4776, 5905, 5970, 7086, 7960, 9448, 11810, 11940, 14172, 17715, 23620, 23880, 28344, 35430, 47240, 70860, 141720, 235019, 470038, 705057, 940076, 1175095, 1410114, 1880152, 2350190, 2820228, 3525285, 4700380, 5640456, 7050570, 9400760, 14101140, 28202280]

約数ペア:

[(1, 28202280), (2, 14101140), (3, 9400760), (4, 7050570), (5, 5640456), (6, 4700380), (8, 3525285), (10, 2820228), (12, 2350190), (15, 1880152), (20, 1410114), (24, 1175095), (30, 940076), (40, 705057), (60, 470038), (120, 235019), (199, 141720), (398, 70860), (597, 47240), (796, 35430), (995, 28344), (1181, 23880), (1194, 23620), (1592, 17715), (1990, 14172), (2362, 11940), (2388, 11810), (2985, 9448), (3543, 7960), (3980, 7086), (4724, 5970), (4776, 5905)]