8678460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20663}}^1$

素因数の和:20682

約数の個数: 48

約数和(自身を含む): 27772416

約数和(自身を除く): 19093956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20663, 41326, 61989, 82652, 103315, 123978, 144641, 206630, 247956, 289282, 309945, 413260, 433923, 578564, 619890, 723205, 867846, 1239780, 1446410, 1735692, 2169615, 2892820, 4339230, 8678460]

約数ペア:

[(1, 8678460), (2, 4339230), (3, 2892820), (4, 2169615), (5, 1735692), (6, 1446410), (7, 1239780), (10, 867846), (12, 723205), (14, 619890), (15, 578564), (20, 433923), (21, 413260), (28, 309945), (30, 289282), (35, 247956), (42, 206630), (60, 144641), (70, 123978), (84, 103315), (105, 82652), (140, 61989), (210, 41326), (420, 20663)]