285910240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 192

約数和(自身を含む): 879621120

約数和(自身を除く): 593710880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 308, 322, 352, 368, 385, 440, 460, 506, 560, 616, 644, 736, 770, 805, 880, 920, 1009, 1012, 1120, 1232, 1265, 1288, 1540, 1610, 1760, 1771, 1840, 2018, 2024, 2464, 2530, 2576, 3080, 3220, 3542, 3680, 4036, 4048, 5045, 5060, 5152, 6160, 6440, 7063, 7084, 8072, 8096, 8855, 10090, 10120, 11099, 12320, 12880, 14126, 14168, 16144, 17710, 20180, 20240, 22198, 23207, 25760, 28252, 28336, 32288, 35315, 35420, 40360, 40480, 44396, 46414, 55495, 56504, 56672, 70630, 70840, 77693, 80720, 88792, 92828, 110990, 113008, 116035, 141260, 141680, 155386, 161440, 162449, 177584, 185656, 221980, 226016, 232070, 255277, 282520, 283360, 310772, 324898, 355168, 371312, 388465, 443960, 464140, 510554, 565040, 621544, 649796, 742624, 776930, 812245, 887920, 928280, 1021108, 1130080, 1243088, 1276385, 1299592, 1553860, 1624490, 1775840, 1786939, 1856560, 2042216, 2486176, 2552770, 2599184, 3107720, 3248980, 3573878, 3713120, 4084432, 5105540, 5198368, 6215440, 6497960, 7147756, 8168864, 8934695, 10211080, 12430880, 12995920, 14295512, 17869390, 20422160, 25991840, 28591024, 35738780, 40844320, 57182048, 71477560, 142955120, 285910240]

約数ペア:

[(1, 285910240), (2, 142955120), (4, 71477560), (5, 57182048), (7, 40844320), (8, 35738780), (10, 28591024), (11, 25991840), (14, 20422160), (16, 17869390), (20, 14295512), (22, 12995920), (23, 12430880), (28, 10211080), (32, 8934695), (35, 8168864), (40, 7147756), (44, 6497960), (46, 6215440), (55, 5198368), (56, 5105540), (70, 4084432), (77, 3713120), (80, 3573878), (88, 3248980), (92, 3107720), (110, 2599184), (112, 2552770), (115, 2486176), (140, 2042216), (154, 1856560), (160, 1786939), (161, 1775840), (176, 1624490), (184, 1553860), (220, 1299592), (224, 1276385), (230, 1243088), (253, 1130080), (280, 1021108), (308, 928280), (322, 887920), (352, 812245), (368, 776930), (385, 742624), (440, 649796), (460, 621544), (506, 565040), (560, 510554), (616, 464140), (644, 443960), (736, 388465), (770, 371312), (805, 355168), (880, 324898), (920, 310772), (1009, 283360), (1012, 282520), (1120, 255277), (1232, 232070), (1265, 226016), (1288, 221980), (1540, 185656), (1610, 177584), (1760, 162449), (1771, 161440), (1840, 155386), (2018, 141680), (2024, 141260), (2464, 116035), (2530, 113008), (2576, 110990), (3080, 92828), (3220, 88792), (3542, 80720), (3680, 77693), (4036, 70840), (4048, 70630), (5045, 56672), (5060, 56504), (5152, 55495), (6160, 46414), (6440, 44396), (7063, 40480), (7084, 40360), (8072, 35420), (8096, 35315), (8855, 32288), (10090, 28336), (10120, 28252), (11099, 25760), (12320, 23207), (12880, 22198), (14126, 20240), (14168, 20180), (16144, 17710)]