201512800

素因数分解:

$2^5\times 5^2\times {\mathrm{331}}^1\times {\mathrm{761}}^1$

素因数の和:1112

約数の個数: 72

約数和(自身を含む): 494077752

約数和(自身を除く): 292564952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 331, 400, 662, 761, 800, 1324, 1522, 1655, 2648, 3044, 3310, 3805, 5296, 6088, 6620, 7610, 8275, 10592, 12176, 13240, 15220, 16550, 19025, 24352, 26480, 30440, 33100, 38050, 52960, 60880, 66200, 76100, 121760, 132400, 152200, 251891, 264800, 304400, 503782, 608800, 1007564, 1259455, 2015128, 2518910, 4030256, 5037820, 6297275, 8060512, 10075640, 12594550, 20151280, 25189100, 40302560, 50378200, 100756400, 201512800]

約数ペア:

[(1, 201512800), (2, 100756400), (4, 50378200), (5, 40302560), (8, 25189100), (10, 20151280), (16, 12594550), (20, 10075640), (25, 8060512), (32, 6297275), (40, 5037820), (50, 4030256), (80, 2518910), (100, 2015128), (160, 1259455), (200, 1007564), (331, 608800), (400, 503782), (662, 304400), (761, 264800), (800, 251891), (1324, 152200), (1522, 132400), (1655, 121760), (2648, 76100), (3044, 66200), (3310, 60880), (3805, 52960), (5296, 38050), (6088, 33100), (6620, 30440), (7610, 26480), (8275, 24352), (10592, 19025), (12176, 16550), (13240, 15220)]