256344660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:495

約数の個数: 288

約数和(自身を含む): 955438848

約数和(自身を除く): 699094188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 23, 26, 30, 33, 36, 39, 44, 45, 46, 52, 55, 60, 65, 66, 69, 78, 90, 92, 99, 110, 115, 117, 130, 132, 138, 143, 156, 165, 180, 195, 198, 207, 220, 230, 234, 253, 260, 276, 286, 299, 330, 345, 390, 396, 414, 429, 433, 460, 468, 495, 506, 572, 585, 598, 660, 690, 715, 759, 780, 828, 858, 866, 897, 990, 1012, 1035, 1170, 1196, 1265, 1287, 1299, 1380, 1430, 1495, 1518, 1716, 1732, 1794, 1980, 2070, 2145, 2165, 2277, 2340, 2530, 2574, 2598, 2691, 2860, 2990, 3036, 3289, 3588, 3795, 3897, 4140, 4290, 4330, 4485, 4554, 4763, 5060, 5148, 5196, 5382, 5629, 5980, 6435, 6495, 6578, 7590, 7794, 8580, 8660, 8970, 9108, 9526, 9867, 9959, 10764, 11258, 11385, 12870, 12990, 13156, 13455, 14289, 15180, 15588, 16445, 16887, 17940, 19052, 19485, 19734, 19918, 22516, 22770, 23815, 25740, 25980, 26910, 28145, 28578, 29601, 29877, 32890, 33774, 38970, 39468, 39836, 42867, 45540, 47630, 49335, 49795, 50661, 53820, 56290, 57156, 59202, 59754, 61919, 65780, 67548, 71445, 77940, 84435, 85734, 89631, 95260, 98670, 99590, 101322, 109549, 112580, 118404, 119508, 123838, 129467, 142890, 148005, 149385, 168870, 171468, 179262, 185757, 197340, 199180, 202644, 214335, 219098, 247676, 253305, 258934, 285780, 296010, 298770, 309595, 328647, 337740, 358524, 371514, 388401, 428670, 438196, 448155, 506610, 517868, 547745, 557271, 592020, 597540, 619190, 647335, 657294, 743028, 776802, 857340, 896310, 928785, 985941, 1013220, 1095490, 1114542, 1165203, 1238380, 1294670, 1314588, 1424137, 1553604, 1643235, 1792620, 1857570, 1942005, 1971882, 2190980, 2229084, 2330406, 2589340, 2786355, 2848274, 3286470, 3715140, 3884010, 3943764, 4272411, 4660812, 4929705, 5572710, 5696548, 5826015, 6572940, 7120685, 7768020, 8544822, 9859410, 11145420, 11652030, 12817233, 14241370, 17089644, 19718820, 21362055, 23304060, 25634466, 28482740, 42724110, 51268932, 64086165, 85448220, 128172330, 256344660]

約数ペア:

[(1, 256344660), (2, 128172330), (3, 85448220), (4, 64086165), (5, 51268932), (6, 42724110), (9, 28482740), (10, 25634466), (11, 23304060), (12, 21362055), (13, 19718820), (15, 17089644), (18, 14241370), (20, 12817233), (22, 11652030), (23, 11145420), (26, 9859410), (30, 8544822), (33, 7768020), (36, 7120685), (39, 6572940), (44, 5826015), (45, 5696548), (46, 5572710), (52, 4929705), (55, 4660812), (60, 4272411), (65, 3943764), (66, 3884010), (69, 3715140), (78, 3286470), (90, 2848274), (92, 2786355), (99, 2589340), (110, 2330406), (115, 2229084), (117, 2190980), (130, 1971882), (132, 1942005), (138, 1857570), (143, 1792620), (156, 1643235), (165, 1553604), (180, 1424137), (195, 1314588), (198, 1294670), (207, 1238380), (220, 1165203), (230, 1114542), (234, 1095490), (253, 1013220), (260, 985941), (276, 928785), (286, 896310), (299, 857340), (330, 776802), (345, 743028), (390, 657294), (396, 647335), (414, 619190), (429, 597540), (433, 592020), (460, 557271), (468, 547745), (495, 517868), (506, 506610), (572, 448155), (585, 438196), (598, 428670), (660, 388401), (690, 371514), (715, 358524), (759, 337740), (780, 328647), (828, 309595), (858, 298770), (866, 296010), (897, 285780), (990, 258934), (1012, 253305), (1035, 247676), (1170, 219098), (1196, 214335), (1265, 202644), (1287, 199180), (1299, 197340), (1380, 185757), (1430, 179262), (1495, 171468), (1518, 168870), (1716, 149385), (1732, 148005), (1794, 142890), (1980, 129467), (2070, 123838), (2145, 119508), (2165, 118404), (2277, 112580), (2340, 109549), (2530, 101322), (2574, 99590), (2598, 98670), (2691, 95260), (2860, 89631), (2990, 85734), (3036, 84435), (3289, 77940), (3588, 71445), (3795, 67548), (3897, 65780), (4140, 61919), (4290, 59754), (4330, 59202), (4485, 57156), (4554, 56290), (4763, 53820), (5060, 50661), (5148, 49795), (5196, 49335), (5382, 47630), (5629, 45540), (5980, 42867), (6435, 39836), (6495, 39468), (6578, 38970), (7590, 33774), (7794, 32890), (8580, 29877), (8660, 29601), (8970, 28578), (9108, 28145), (9526, 26910), (9867, 25980), (9959, 25740), (10764, 23815), (11258, 22770), (11385, 22516), (12870, 19918), (12990, 19734), (13156, 19485), (13455, 19052), (14289, 17940), (15180, 16887), (15588, 16445)]