218614980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2447}}^1$

素因数の和:3948

約数の個数: 48

約数和(自身を含む): 612783360

約数和(自身を除く): 394168380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1489, 2447, 2978, 4467, 4894, 5956, 7341, 7445, 8934, 9788, 12235, 14682, 14890, 17868, 22335, 24470, 29364, 29780, 36705, 44670, 48940, 73410, 89340, 146820, 3643583, 7287166, 10930749, 14574332, 18217915, 21861498, 36435830, 43722996, 54653745, 72871660, 109307490, 218614980]

約数ペア:

[(1, 218614980), (2, 109307490), (3, 72871660), (4, 54653745), (5, 43722996), (6, 36435830), (10, 21861498), (12, 18217915), (15, 14574332), (20, 10930749), (30, 7287166), (60, 3643583), (1489, 146820), (2447, 89340), (2978, 73410), (4467, 48940), (4894, 44670), (5956, 36705), (7341, 29780), (7445, 29364), (8934, 24470), (9788, 22335), (12235, 17868), (14682, 14890)]