213005280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{443761}}^1$

素因数の和:443779

約数の個数: 48

約数和(自身を含む): 670968144

約数和(自身を除く): 457962864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 443761, 887522, 1331283, 1775044, 2218805, 2662566, 3550088, 4437610, 5325132, 6656415, 7100176, 8875220, 10650264, 13312830, 14200352, 17750440, 21300528, 26625660, 35500880, 42601056, 53251320, 71001760, 106502640, 213005280]

約数ペア:

[(1, 213005280), (2, 106502640), (3, 71001760), (4, 53251320), (5, 42601056), (6, 35500880), (8, 26625660), (10, 21300528), (12, 17750440), (15, 14200352), (16, 13312830), (20, 10650264), (24, 8875220), (30, 7100176), (32, 6656415), (40, 5325132), (48, 4437610), (60, 3550088), (80, 2662566), (96, 2218805), (120, 1775044), (160, 1331283), (240, 887522), (480, 443761)]