289400580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{76561}}^1$

素因数の和:76586

約数の個数: 96

約数和(自身を含む): 1028993280

約数和(自身を除く): 739592700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 76561, 153122, 229683, 306244, 382805, 459366, 535927, 689049, 765610, 918732, 1071854, 1148415, 1378098, 1531220, 1607781, 2067147, 2143708, 2296830, 2679635, 2756196, 3215562, 3445245, 4134294, 4593660, 4823343, 5359270, 6431124, 6890490, 8038905, 8268588, 9646686, 10335735, 10718540, 13780980, 14470029, 16077810, 19293372, 20671470, 24116715, 28940058, 32155620, 41342940, 48233430, 57880116, 72350145, 96466860, 144700290, 289400580]

約数ペア:

[(1, 289400580), (2, 144700290), (3, 96466860), (4, 72350145), (5, 57880116), (6, 48233430), (7, 41342940), (9, 32155620), (10, 28940058), (12, 24116715), (14, 20671470), (15, 19293372), (18, 16077810), (20, 14470029), (21, 13780980), (27, 10718540), (28, 10335735), (30, 9646686), (35, 8268588), (36, 8038905), (42, 6890490), (45, 6431124), (54, 5359270), (60, 4823343), (63, 4593660), (70, 4134294), (84, 3445245), (90, 3215562), (105, 2756196), (108, 2679635), (126, 2296830), (135, 2143708), (140, 2067147), (180, 1607781), (189, 1531220), (210, 1378098), (252, 1148415), (270, 1071854), (315, 918732), (378, 765610), (420, 689049), (540, 535927), (630, 459366), (756, 382805), (945, 306244), (1260, 229683), (1890, 153122), (3780, 76561)]