398008560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72103}}^1$

素因数の和:72142

約数の個数: 80

約数和(自身を含む): 1287489024

約数和(自身を除く): 889480464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 72103, 144206, 216309, 288412, 360515, 432618, 576824, 721030, 865236, 1081545, 1153648, 1442060, 1658369, 1730472, 2163090, 2884120, 3316738, 3460944, 4326180, 4975107, 5768240, 6633476, 8291845, 8652360, 9950214, 13266952, 16583690, 17304720, 19900428, 24875535, 26533904, 33167380, 39800856, 49751070, 66334760, 79601712, 99502140, 132669520, 199004280, 398008560]

約数ペア:

[(1, 398008560), (2, 199004280), (3, 132669520), (4, 99502140), (5, 79601712), (6, 66334760), (8, 49751070), (10, 39800856), (12, 33167380), (15, 26533904), (16, 24875535), (20, 19900428), (23, 17304720), (24, 16583690), (30, 13266952), (40, 9950214), (46, 8652360), (48, 8291845), (60, 6633476), (69, 5768240), (80, 4975107), (92, 4326180), (115, 3460944), (120, 3316738), (138, 2884120), (184, 2163090), (230, 1730472), (240, 1658369), (276, 1442060), (345, 1153648), (368, 1081545), (460, 865236), (552, 721030), (690, 576824), (920, 432618), (1104, 360515), (1380, 288412), (1840, 216309), (2760, 144206), (5520, 72103)]