18578280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 67495680

約数和(自身を除く): 48917400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1301, 1428, 1785, 2040, 2380, 2602, 2856, 3570, 3903, 4760, 5204, 6505, 7140, 7806, 9107, 10408, 13010, 14280, 15612, 18214, 19515, 22117, 26020, 27321, 31224, 36428, 39030, 44234, 45535, 52040, 54642, 66351, 72856, 78060, 88468, 91070, 109284, 110585, 132702, 136605, 154819, 156120, 176936, 182140, 218568, 221170, 265404, 273210, 309638, 331755, 364280, 442340, 464457, 530808, 546420, 619276, 663510, 774095, 884680, 928914, 1092840, 1238552, 1327020, 1548190, 1857828, 2322285, 2654040, 3096380, 3715656, 4644570, 6192760, 9289140, 18578280]

約数ペア:

[(1, 18578280), (2, 9289140), (3, 6192760), (4, 4644570), (5, 3715656), (6, 3096380), (7, 2654040), (8, 2322285), (10, 1857828), (12, 1548190), (14, 1327020), (15, 1238552), (17, 1092840), (20, 928914), (21, 884680), (24, 774095), (28, 663510), (30, 619276), (34, 546420), (35, 530808), (40, 464457), (42, 442340), (51, 364280), (56, 331755), (60, 309638), (68, 273210), (70, 265404), (84, 221170), (85, 218568), (102, 182140), (105, 176936), (119, 156120), (120, 154819), (136, 136605), (140, 132702), (168, 110585), (170, 109284), (204, 91070), (210, 88468), (238, 78060), (255, 72856), (280, 66351), (340, 54642), (357, 52040), (408, 45535), (420, 44234), (476, 39030), (510, 36428), (595, 31224), (680, 27321), (714, 26020), (840, 22117), (952, 19515), (1020, 18214), (1190, 15612), (1301, 14280), (1428, 13010), (1785, 10408), (2040, 9107), (2380, 7806), (2602, 7140), (2856, 6505), (3570, 5204), (3903, 4760)]