261223360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1614

約数の個数: 112

約数和(自身を含む): 680313600

約数和(自身を除く): 419090240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1240, 1360, 1549, 1984, 2108, 2480, 2635, 2720, 3098, 4216, 4960, 5270, 5440, 6196, 7745, 8432, 9920, 10540, 12392, 15490, 16864, 21080, 24784, 26333, 30980, 33728, 42160, 48019, 49568, 52666, 61960, 84320, 96038, 99136, 105332, 123920, 131665, 168640, 192076, 210664, 240095, 247840, 263330, 384152, 421328, 480190, 495680, 526660, 768304, 816323, 842656, 960380, 1053320, 1536608, 1632646, 1685312, 1920760, 2106640, 3073216, 3265292, 3841520, 4081615, 4213280, 6530584, 7683040, 8163230, 8426560, 13061168, 15366080, 16326460, 26122336, 32652920, 52244672, 65305840, 130611680, 261223360]

約数ペア:

[(1, 261223360), (2, 130611680), (4, 65305840), (5, 52244672), (8, 32652920), (10, 26122336), (16, 16326460), (17, 15366080), (20, 13061168), (31, 8426560), (32, 8163230), (34, 7683040), (40, 6530584), (62, 4213280), (64, 4081615), (68, 3841520), (80, 3265292), (85, 3073216), (124, 2106640), (136, 1920760), (155, 1685312), (160, 1632646), (170, 1536608), (248, 1053320), (272, 960380), (310, 842656), (320, 816323), (340, 768304), (496, 526660), (527, 495680), (544, 480190), (620, 421328), (680, 384152), (992, 263330), (1054, 247840), (1088, 240095), (1240, 210664), (1360, 192076), (1549, 168640), (1984, 131665), (2108, 123920), (2480, 105332), (2635, 99136), (2720, 96038), (3098, 84320), (4216, 61960), (4960, 52666), (5270, 49568), (5440, 48019), (6196, 42160), (7745, 33728), (8432, 30980), (9920, 26333), (10540, 24784), (12392, 21080), (15490, 16864)]