28845000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{641}}^1$

素因数の和:673

約数の個数: 120

約数和(自身を含む): 97773390

約数和(自身を除く): 68928390

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 641, 750, 900, 1000, 1125, 1250, 1282, 1500, 1800, 1875, 1923, 2250, 2500, 2564, 3000, 3205, 3750, 3846, 4500, 5000, 5128, 5625, 5769, 6410, 7500, 7692, 9000, 9615, 11250, 11538, 12820, 15000, 15384, 16025, 19230, 22500, 23076, 25640, 28845, 32050, 38460, 45000, 46152, 48075, 57690, 64100, 76920, 80125, 96150, 115380, 128200, 144225, 160250, 192300, 230760, 240375, 288450, 320500, 384600, 400625, 480750, 576900, 641000, 721125, 801250, 961500, 1153800, 1201875, 1442250, 1602500, 1923000, 2403750, 2884500, 3205000, 3605625, 4807500, 5769000, 7211250, 9615000, 14422500, 28845000]

約数ペア:

[(1, 28845000), (2, 14422500), (3, 9615000), (4, 7211250), (5, 5769000), (6, 4807500), (8, 3605625), (9, 3205000), (10, 2884500), (12, 2403750), (15, 1923000), (18, 1602500), (20, 1442250), (24, 1201875), (25, 1153800), (30, 961500), (36, 801250), (40, 721125), (45, 641000), (50, 576900), (60, 480750), (72, 400625), (75, 384600), (90, 320500), (100, 288450), (120, 240375), (125, 230760), (150, 192300), (180, 160250), (200, 144225), (225, 128200), (250, 115380), (300, 96150), (360, 80125), (375, 76920), (450, 64100), (500, 57690), (600, 48075), (625, 46152), (641, 45000), (750, 38460), (900, 32050), (1000, 28845), (1125, 25640), (1250, 23076), (1282, 22500), (1500, 19230), (1800, 16025), (1875, 15384), (1923, 15000), (2250, 12820), (2500, 11538), (2564, 11250), (3000, 9615), (3205, 9000), (3750, 7692), (3846, 7500), (4500, 6410), (5000, 5769), (5128, 5625)]