256024980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 809512704

約数和(自身を除く): 553487724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 53, 60, 90, 94, 106, 141, 159, 180, 188, 212, 235, 265, 282, 318, 423, 470, 477, 530, 564, 571, 636, 705, 795, 846, 940, 954, 1060, 1142, 1410, 1590, 1692, 1713, 1908, 2115, 2284, 2385, 2491, 2820, 2855, 3180, 3426, 4230, 4770, 4982, 5139, 5710, 6852, 7473, 8460, 8565, 9540, 9964, 10278, 11420, 12455, 14946, 17130, 20556, 22419, 24910, 25695, 26837, 29892, 30263, 34260, 37365, 44838, 49820, 51390, 53674, 60526, 74730, 80511, 89676, 90789, 102780, 107348, 112095, 121052, 134185, 149460, 151315, 161022, 181578, 224190, 241533, 268370, 272367, 302630, 322044, 363156, 402555, 448380, 453945, 483066, 536740, 544734, 605260, 805110, 907890, 966132, 1089468, 1207665, 1361835, 1422361, 1610220, 1815780, 2415330, 2723670, 2844722, 4267083, 4830660, 5447340, 5689444, 7111805, 8534166, 12801249, 14223610, 17068332, 21335415, 25602498, 28447220, 42670830, 51204996, 64006245, 85341660, 128012490, 256024980]

約数ペア:

[(1, 256024980), (2, 128012490), (3, 85341660), (4, 64006245), (5, 51204996), (6, 42670830), (9, 28447220), (10, 25602498), (12, 21335415), (15, 17068332), (18, 14223610), (20, 12801249), (30, 8534166), (36, 7111805), (45, 5689444), (47, 5447340), (53, 4830660), (60, 4267083), (90, 2844722), (94, 2723670), (106, 2415330), (141, 1815780), (159, 1610220), (180, 1422361), (188, 1361835), (212, 1207665), (235, 1089468), (265, 966132), (282, 907890), (318, 805110), (423, 605260), (470, 544734), (477, 536740), (530, 483066), (564, 453945), (571, 448380), (636, 402555), (705, 363156), (795, 322044), (846, 302630), (940, 272367), (954, 268370), (1060, 241533), (1142, 224190), (1410, 181578), (1590, 161022), (1692, 151315), (1713, 149460), (1908, 134185), (2115, 121052), (2284, 112095), (2385, 107348), (2491, 102780), (2820, 90789), (2855, 89676), (3180, 80511), (3426, 74730), (4230, 60526), (4770, 53674), (4982, 51390), (5139, 49820), (5710, 44838), (6852, 37365), (7473, 34260), (8460, 30263), (8565, 29892), (9540, 26837), (9964, 25695), (10278, 24910), (11420, 22419), (12455, 20556), (14946, 17130)]