81522900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 108

約数和(自身を含む): 257275200

約数和(自身を除く): 175752300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 239, 300, 379, 450, 478, 717, 758, 900, 956, 1137, 1195, 1434, 1516, 1895, 2151, 2274, 2390, 2868, 3411, 3585, 3790, 4302, 4548, 4780, 5685, 5975, 6822, 7170, 7580, 8604, 9475, 10755, 11370, 11950, 13644, 14340, 17055, 17925, 18950, 21510, 22740, 23900, 28425, 34110, 35850, 37900, 43020, 53775, 56850, 68220, 71700, 85275, 90581, 107550, 113700, 170550, 181162, 215100, 271743, 341100, 362324, 452905, 543486, 815229, 905810, 1086972, 1358715, 1630458, 1811620, 2264525, 2717430, 3260916, 4076145, 4529050, 5434860, 6793575, 8152290, 9058100, 13587150, 16304580, 20380725, 27174300, 40761450, 81522900]

約数ペア:

[(1, 81522900), (2, 40761450), (3, 27174300), (4, 20380725), (5, 16304580), (6, 13587150), (9, 9058100), (10, 8152290), (12, 6793575), (15, 5434860), (18, 4529050), (20, 4076145), (25, 3260916), (30, 2717430), (36, 2264525), (45, 1811620), (50, 1630458), (60, 1358715), (75, 1086972), (90, 905810), (100, 815229), (150, 543486), (180, 452905), (225, 362324), (239, 341100), (300, 271743), (379, 215100), (450, 181162), (478, 170550), (717, 113700), (758, 107550), (900, 90581), (956, 85275), (1137, 71700), (1195, 68220), (1434, 56850), (1516, 53775), (1895, 43020), (2151, 37900), (2274, 35850), (2390, 34110), (2868, 28425), (3411, 23900), (3585, 22740), (3790, 21510), (4302, 18950), (4548, 17925), (4780, 17055), (5685, 14340), (5975, 13644), (6822, 11950), (7170, 11370), (7580, 10755), (8604, 9475)]