1640688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 5118720

約数和(自身を除く): 3478032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 257, 266, 304, 336, 399, 456, 514, 532, 771, 798, 912, 1028, 1064, 1542, 1596, 1799, 2056, 2128, 3084, 3192, 3598, 4112, 4883, 5397, 6168, 6384, 7196, 9766, 10794, 12336, 14392, 14649, 19532, 21588, 28784, 29298, 34181, 39064, 43176, 58596, 68362, 78128, 86352, 102543, 117192, 136724, 205086, 234384, 273448, 410172, 546896, 820344, 1640688]

約数ペア:

[(1, 1640688), (2, 820344), (3, 546896), (4, 410172), (6, 273448), (7, 234384), (8, 205086), (12, 136724), (14, 117192), (16, 102543), (19, 86352), (21, 78128), (24, 68362), (28, 58596), (38, 43176), (42, 39064), (48, 34181), (56, 29298), (57, 28784), (76, 21588), (84, 19532), (112, 14649), (114, 14392), (133, 12336), (152, 10794), (168, 9766), (228, 7196), (257, 6384), (266, 6168), (304, 5397), (336, 4883), (399, 4112), (456, 3598), (514, 3192), (532, 3084), (771, 2128), (798, 2056), (912, 1799), (1028, 1596), (1064, 1542)]