280235040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:595

約数の個数: 192

約数和(自身を含む): 937681920

約数和(自身を除く): 657446880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 37, 40, 48, 60, 62, 74, 80, 93, 96, 111, 120, 124, 148, 155, 160, 185, 186, 222, 240, 248, 296, 310, 370, 372, 444, 465, 480, 496, 509, 555, 592, 620, 740, 744, 888, 930, 992, 1018, 1110, 1147, 1184, 1240, 1480, 1488, 1527, 1776, 1860, 2036, 2220, 2294, 2480, 2545, 2960, 2976, 3054, 3441, 3552, 3720, 4072, 4440, 4588, 4960, 5090, 5735, 5920, 6108, 6882, 7440, 7635, 8144, 8880, 9176, 10180, 11470, 12216, 13764, 14880, 15270, 15779, 16288, 17205, 17760, 18352, 18833, 20360, 22940, 24432, 27528, 30540, 31558, 34410, 36704, 37666, 40720, 45880, 47337, 48864, 55056, 56499, 61080, 63116, 68820, 75332, 78895, 81440, 91760, 94165, 94674, 110112, 112998, 122160, 126232, 137640, 150664, 157790, 183520, 188330, 189348, 225996, 236685, 244320, 252464, 275280, 282495, 301328, 315580, 376660, 378696, 451992, 473370, 504928, 550560, 564990, 583823, 602656, 631160, 753320, 757392, 903984, 946740, 1129980, 1167646, 1262320, 1506640, 1514784, 1751469, 1807968, 1893480, 2259960, 2335292, 2524640, 2919115, 3013280, 3502938, 3786960, 4519920, 4670584, 5838230, 7005876, 7573920, 8757345, 9039840, 9341168, 11676460, 14011752, 17514690, 18682336, 23352920, 28023504, 35029380, 46705840, 56047008, 70058760, 93411680, 140117520, 280235040]

約数ペア:

[(1, 280235040), (2, 140117520), (3, 93411680), (4, 70058760), (5, 56047008), (6, 46705840), (8, 35029380), (10, 28023504), (12, 23352920), (15, 18682336), (16, 17514690), (20, 14011752), (24, 11676460), (30, 9341168), (31, 9039840), (32, 8757345), (37, 7573920), (40, 7005876), (48, 5838230), (60, 4670584), (62, 4519920), (74, 3786960), (80, 3502938), (93, 3013280), (96, 2919115), (111, 2524640), (120, 2335292), (124, 2259960), (148, 1893480), (155, 1807968), (160, 1751469), (185, 1514784), (186, 1506640), (222, 1262320), (240, 1167646), (248, 1129980), (296, 946740), (310, 903984), (370, 757392), (372, 753320), (444, 631160), (465, 602656), (480, 583823), (496, 564990), (509, 550560), (555, 504928), (592, 473370), (620, 451992), (740, 378696), (744, 376660), (888, 315580), (930, 301328), (992, 282495), (1018, 275280), (1110, 252464), (1147, 244320), (1184, 236685), (1240, 225996), (1480, 189348), (1488, 188330), (1527, 183520), (1776, 157790), (1860, 150664), (2036, 137640), (2220, 126232), (2294, 122160), (2480, 112998), (2545, 110112), (2960, 94674), (2976, 94165), (3054, 91760), (3441, 81440), (3552, 78895), (3720, 75332), (4072, 68820), (4440, 63116), (4588, 61080), (4960, 56499), (5090, 55056), (5735, 48864), (5920, 47337), (6108, 45880), (6882, 40720), (7440, 37666), (7635, 36704), (8144, 34410), (8880, 31558), (9176, 30540), (10180, 27528), (11470, 24432), (12216, 22940), (13764, 20360), (14880, 18833), (15270, 18352), (15779, 17760), (16288, 17205)]