28867680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20047}}^1$

素因数の和:20068

約数の個数: 72

約数和(自身を含む): 98515872

約数和(自身を除く): 69648192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 20047, 40094, 60141, 80188, 100235, 120282, 160376, 180423, 200470, 240564, 300705, 320752, 360846, 400940, 481128, 601410, 641504, 721692, 801880, 902115, 962256, 1202820, 1443384, 1603760, 1804230, 1924512, 2405640, 2886768, 3207520, 3608460, 4811280, 5773536, 7216920, 9622560, 14433840, 28867680]

約数ペア:

[(1, 28867680), (2, 14433840), (3, 9622560), (4, 7216920), (5, 5773536), (6, 4811280), (8, 3608460), (9, 3207520), (10, 2886768), (12, 2405640), (15, 1924512), (16, 1804230), (18, 1603760), (20, 1443384), (24, 1202820), (30, 962256), (32, 902115), (36, 801880), (40, 721692), (45, 641504), (48, 601410), (60, 481128), (72, 400940), (80, 360846), (90, 320752), (96, 300705), (120, 240564), (144, 200470), (160, 180423), (180, 160376), (240, 120282), (288, 100235), (360, 80188), (480, 60141), (720, 40094), (1440, 20047)]