80722460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2609}}^1$

素因数の和:2655

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 140271460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 2609, 3094, 4420, 5218, 6188, 7735, 10436, 13045, 15470, 18263, 26090, 30940, 33917, 36526, 44353, 52180, 67834, 73052, 88706, 91315, 135668, 169585, 177412, 182630, 221765, 237419, 310471, 339170, 365260, 443530, 474838, 576589, 620942, 678340, 887060, 949676, 1153178, 1187095, 1241884, 1552355, 2306356, 2374190, 2882945, 3104710, 4036123, 4748380, 5765890, 6209420, 8072246, 11531780, 16144492, 20180615, 40361230, 80722460]

約数ペア:

[(1, 80722460), (2, 40361230), (4, 20180615), (5, 16144492), (7, 11531780), (10, 8072246), (13, 6209420), (14, 5765890), (17, 4748380), (20, 4036123), (26, 3104710), (28, 2882945), (34, 2374190), (35, 2306356), (52, 1552355), (65, 1241884), (68, 1187095), (70, 1153178), (85, 949676), (91, 887060), (119, 678340), (130, 620942), (140, 576589), (170, 474838), (182, 443530), (221, 365260), (238, 339170), (260, 310471), (340, 237419), (364, 221765), (442, 182630), (455, 177412), (476, 169585), (595, 135668), (884, 91315), (910, 88706), (1105, 73052), (1190, 67834), (1547, 52180), (1820, 44353), (2210, 36526), (2380, 33917), (2609, 30940), (3094, 26090), (4420, 18263), (5218, 15470), (6188, 13045), (7735, 10436)]