73429720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20173}}^1$

素因数の和:20204

約数の個数: 64

約数和(自身を含む): 203353920

約数和(自身を除く): 129924200

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, 3640, 20173, 40346, 80692, 100865, 141211, 161384, 201730, 262249, 282422, 403460, 524498, 564844, 706055, 806920, 1048996, 1129688, 1311245, 1412110, 1835743, 2097992, 2622490, 2824220, 3671486, 5244980, 5648440, 7342972, 9178715, 10489960, 14685944, 18357430, 36714860, 73429720]

約数ペア:

[(1, 73429720), (2, 36714860), (4, 18357430), (5, 14685944), (7, 10489960), (8, 9178715), (10, 7342972), (13, 5648440), (14, 5244980), (20, 3671486), (26, 2824220), (28, 2622490), (35, 2097992), (40, 1835743), (52, 1412110), (56, 1311245), (65, 1129688), (70, 1048996), (91, 806920), (104, 706055), (130, 564844), (140, 524498), (182, 403460), (260, 282422), (280, 262249), (364, 201730), (455, 161384), (520, 141211), (728, 100865), (910, 80692), (1820, 40346), (3640, 20173)]