815225700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{21397}}^1$

素因数の和:21541

約数の個数: 72

約数和(自身を含む): 2377403392

約数和(自身を除く): 1562177692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3175, 3810, 6350, 7620, 9525, 12700, 19050, 21397, 38100, 42794, 64191, 85588, 106985, 128382, 213970, 256764, 320955, 427940, 534925, 641910, 1069850, 1283820, 1604775, 2139700, 2717419, 3209550, 5434838, 6419100, 8152257, 10869676, 13587095, 16304514, 27174190, 32609028, 40761285, 54348380, 67935475, 81522570, 135870950, 163045140, 203806425, 271741900, 407612850, 815225700]

約数ペア:

[(1, 815225700), (2, 407612850), (3, 271741900), (4, 203806425), (5, 163045140), (6, 135870950), (10, 81522570), (12, 67935475), (15, 54348380), (20, 40761285), (25, 32609028), (30, 27174190), (50, 16304514), (60, 13587095), (75, 10869676), (100, 8152257), (127, 6419100), (150, 5434838), (254, 3209550), (300, 2717419), (381, 2139700), (508, 1604775), (635, 1283820), (762, 1069850), (1270, 641910), (1524, 534925), (1905, 427940), (2540, 320955), (3175, 256764), (3810, 213970), (6350, 128382), (7620, 106985), (9525, 85588), (12700, 64191), (19050, 42794), (21397, 38100)]