339976720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 816608448

約数和(自身を除く): 476631728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 331, 347, 370, 592, 662, 694, 740, 1324, 1388, 1480, 1655, 1735, 2648, 2776, 2960, 3310, 3470, 5296, 5552, 6620, 6940, 12247, 12839, 13240, 13880, 24494, 25678, 26480, 27760, 48988, 51356, 61235, 64195, 97976, 102712, 114857, 122470, 128390, 195952, 205424, 229714, 244940, 256780, 459428, 489880, 513560, 574285, 918856, 979760, 1027120, 1148570, 1837712, 2297140, 4249709, 4594280, 8499418, 9188560, 16998836, 21248545, 33997672, 42497090, 67995344, 84994180, 169988360, 339976720]

約数ペア:

[(1, 339976720), (2, 169988360), (4, 84994180), (5, 67995344), (8, 42497090), (10, 33997672), (16, 21248545), (20, 16998836), (37, 9188560), (40, 8499418), (74, 4594280), (80, 4249709), (148, 2297140), (185, 1837712), (296, 1148570), (331, 1027120), (347, 979760), (370, 918856), (592, 574285), (662, 513560), (694, 489880), (740, 459428), (1324, 256780), (1388, 244940), (1480, 229714), (1655, 205424), (1735, 195952), (2648, 128390), (2776, 122470), (2960, 114857), (3310, 102712), (3470, 97976), (5296, 64195), (5552, 61235), (6620, 51356), (6940, 48988), (12247, 27760), (12839, 26480), (13240, 25678), (13880, 24494)]