255531240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1061}}^1$

素因数の和:1304

約数の個数: 128

約数和(自身を含む): 856396800

約数和(自身を除く): 600865560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 223, 270, 360, 446, 540, 669, 892, 1061, 1080, 1115, 1338, 1784, 2007, 2122, 2230, 2676, 3183, 3345, 4014, 4244, 4460, 5305, 5352, 6021, 6366, 6690, 8028, 8488, 8920, 9549, 10035, 10610, 12042, 12732, 13380, 15915, 16056, 19098, 20070, 21220, 24084, 25464, 26760, 28647, 30105, 31830, 38196, 40140, 42440, 47745, 48168, 57294, 60210, 63660, 76392, 80280, 95490, 114588, 120420, 127320, 143235, 190980, 229176, 236603, 240840, 286470, 381960, 473206, 572940, 709809, 946412, 1145880, 1183015, 1419618, 1892824, 2129427, 2366030, 2839236, 3549045, 4258854, 4732060, 5678472, 6388281, 7098090, 8517708, 9464120, 10647135, 12776562, 14196180, 17035416, 21294270, 25553124, 28392360, 31941405, 42588540, 51106248, 63882810, 85177080, 127765620, 255531240]

約数ペア:

[(1, 255531240), (2, 127765620), (3, 85177080), (4, 63882810), (5, 51106248), (6, 42588540), (8, 31941405), (9, 28392360), (10, 25553124), (12, 21294270), (15, 17035416), (18, 14196180), (20, 12776562), (24, 10647135), (27, 9464120), (30, 8517708), (36, 7098090), (40, 6388281), (45, 5678472), (54, 4732060), (60, 4258854), (72, 3549045), (90, 2839236), (108, 2366030), (120, 2129427), (135, 1892824), (180, 1419618), (216, 1183015), (223, 1145880), (270, 946412), (360, 709809), (446, 572940), (540, 473206), (669, 381960), (892, 286470), (1061, 240840), (1080, 236603), (1115, 229176), (1338, 190980), (1784, 143235), (2007, 127320), (2122, 120420), (2230, 114588), (2676, 95490), (3183, 80280), (3345, 76392), (4014, 63660), (4244, 60210), (4460, 57294), (5305, 48168), (5352, 47745), (6021, 42440), (6366, 40140), (6690, 38196), (8028, 31830), (8488, 30105), (8920, 28647), (9549, 26760), (10035, 25464), (10610, 24084), (12042, 21220), (12732, 20070), (13380, 19098), (15915, 16056)]