8984720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 23034240

約数和(自身を除く): 14049520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 257, 304, 368, 380, 437, 460, 514, 760, 874, 920, 1028, 1285, 1520, 1748, 1840, 2056, 2185, 2570, 3496, 4112, 4370, 4883, 5140, 5911, 6992, 8740, 9766, 10280, 11822, 17480, 19532, 20560, 23644, 24415, 29555, 34960, 39064, 47288, 48830, 59110, 78128, 94576, 97660, 112309, 118220, 195320, 224618, 236440, 390640, 449236, 472880, 561545, 898472, 1123090, 1796944, 2246180, 4492360, 8984720]

約数ペア:

[(1, 8984720), (2, 4492360), (4, 2246180), (5, 1796944), (8, 1123090), (10, 898472), (16, 561545), (19, 472880), (20, 449236), (23, 390640), (38, 236440), (40, 224618), (46, 195320), (76, 118220), (80, 112309), (92, 97660), (95, 94576), (115, 78128), (152, 59110), (184, 48830), (190, 47288), (230, 39064), (257, 34960), (304, 29555), (368, 24415), (380, 23644), (437, 20560), (460, 19532), (514, 17480), (760, 11822), (874, 10280), (920, 9766), (1028, 8740), (1285, 6992), (1520, 5911), (1748, 5140), (1840, 4883), (2056, 4370), (2185, 4112), (2570, 3496)]