390816900

素因数分解:

$2^2\times 3^7\times 5^2\times {\mathrm{1787}}^1$

素因数の和:1822

約数の個数: 144

約数和(自身を含む): 1272626880

約数和(自身を除く): 881809980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 729, 810, 900, 972, 1215, 1350, 1458, 1620, 1787, 2025, 2187, 2430, 2700, 2916, 3574, 3645, 4050, 4374, 4860, 5361, 6075, 7148, 7290, 8100, 8748, 8935, 10722, 10935, 12150, 14580, 16083, 17870, 18225, 21444, 21870, 24300, 26805, 32166, 35740, 36450, 43740, 44675, 48249, 53610, 54675, 64332, 72900, 80415, 89350, 96498, 107220, 109350, 134025, 144747, 160830, 178700, 192996, 218700, 241245, 268050, 289494, 321660, 402075, 434241, 482490, 536100, 578988, 723735, 804150, 868482, 964980, 1206225, 1302723, 1447470, 1608300, 1736964, 2171205, 2412450, 2605446, 2894940, 3618675, 3908169, 4342410, 4824900, 5210892, 6513615, 7237350, 7816338, 8684820, 10856025, 13027230, 14474700, 15632676, 19540845, 21712050, 26054460, 32568075, 39081690, 43424100, 65136150, 78163380, 97704225, 130272300, 195408450, 390816900]

約数ペア:

[(1, 390816900), (2, 195408450), (3, 130272300), (4, 97704225), (5, 78163380), (6, 65136150), (9, 43424100), (10, 39081690), (12, 32568075), (15, 26054460), (18, 21712050), (20, 19540845), (25, 15632676), (27, 14474700), (30, 13027230), (36, 10856025), (45, 8684820), (50, 7816338), (54, 7237350), (60, 6513615), (75, 5210892), (81, 4824900), (90, 4342410), (100, 3908169), (108, 3618675), (135, 2894940), (150, 2605446), (162, 2412450), (180, 2171205), (225, 1736964), (243, 1608300), (270, 1447470), (300, 1302723), (324, 1206225), (405, 964980), (450, 868482), (486, 804150), (540, 723735), (675, 578988), (729, 536100), (810, 482490), (900, 434241), (972, 402075), (1215, 321660), (1350, 289494), (1458, 268050), (1620, 241245), (1787, 218700), (2025, 192996), (2187, 178700), (2430, 160830), (2700, 144747), (2916, 134025), (3574, 109350), (3645, 107220), (4050, 96498), (4374, 89350), (4860, 80415), (5361, 72900), (6075, 64332), (7148, 54675), (7290, 53610), (8100, 48249), (8748, 44675), (8935, 43740), (10722, 36450), (10935, 35740), (12150, 32166), (14580, 26805), (16083, 24300), (17870, 21870), (18225, 21444)]