16816980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1163}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 47323584

約数和(自身を除く): 30506604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1163, 1205, 1446, 2326, 2410, 2892, 3489, 3615, 4652, 4820, 5815, 6978, 7230, 11630, 13956, 14460, 17445, 23260, 34890, 69780, 280283, 560566, 840849, 1121132, 1401415, 1681698, 2802830, 3363396, 4204245, 5605660, 8408490, 16816980]

約数ペア:

[(1, 16816980), (2, 8408490), (3, 5605660), (4, 4204245), (5, 3363396), (6, 2802830), (10, 1681698), (12, 1401415), (15, 1121132), (20, 840849), (30, 560566), (60, 280283), (241, 69780), (482, 34890), (723, 23260), (964, 17445), (1163, 14460), (1205, 13956), (1446, 11630), (2326, 7230), (2410, 6978), (2892, 5815), (3489, 4820), (3615, 4652)]