81440310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4909}}^1$

素因数の和:5005

約数の個数: 64

約数和(自身を含む): 226252800

約数和(自身を除く): 144812490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1659, 2370, 2765, 3318, 4909, 5530, 8295, 9818, 14727, 16590, 24545, 29454, 34363, 49090, 68726, 73635, 103089, 147270, 171815, 206178, 343630, 387811, 515445, 775622, 1030890, 1163433, 1939055, 2326866, 2714677, 3878110, 5429354, 5817165, 8144031, 11634330, 13573385, 16288062, 27146770, 40720155, 81440310]

約数ペア:

[(1, 81440310), (2, 40720155), (3, 27146770), (5, 16288062), (6, 13573385), (7, 11634330), (10, 8144031), (14, 5817165), (15, 5429354), (21, 3878110), (30, 2714677), (35, 2326866), (42, 1939055), (70, 1163433), (79, 1030890), (105, 775622), (158, 515445), (210, 387811), (237, 343630), (395, 206178), (474, 171815), (553, 147270), (790, 103089), (1106, 73635), (1185, 68726), (1659, 49090), (2370, 34363), (2765, 29454), (3318, 24545), (4909, 16590), (5530, 14727), (8295, 9818)]