9001720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2504

約数の個数: 64

約数和(自身を含む): 24937920

約数和(自身を除く): 15936200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2473, 3640, 4946, 9892, 12365, 17311, 19784, 24730, 32149, 34622, 49460, 64298, 69244, 86555, 98920, 128596, 138488, 160745, 173110, 225043, 257192, 321490, 346220, 450086, 642980, 692440, 900172, 1125215, 1285960, 1800344, 2250430, 4500860, 9001720]

約数ペア:

[(1, 9001720), (2, 4500860), (4, 2250430), (5, 1800344), (7, 1285960), (8, 1125215), (10, 900172), (13, 692440), (14, 642980), (20, 450086), (26, 346220), (28, 321490), (35, 257192), (40, 225043), (52, 173110), (56, 160745), (65, 138488), (70, 128596), (91, 98920), (104, 86555), (130, 69244), (140, 64298), (182, 49460), (260, 34622), (280, 32149), (364, 24730), (455, 19784), (520, 17311), (728, 12365), (910, 9892), (1820, 4946), (2473, 3640)]