15690777460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{120199}}^1$

素因数の和:120376

約数の個数: 48

約数和(自身を含む): 33804086400

約数和(自身を除く): 18113308940

約数列:

[1, 2, 4, 5, 10, 20, 61, 107, 122, 214, 244, 305, 428, 535, 610, 1070, 1220, 2140, 6527, 13054, 26108, 32635, 65270, 120199, 130540, 240398, 480796, 600995, 1201990, 2403980, 7332139, 12861293, 14664278, 25722586, 29328556, 36660695, 51445172, 64306465, 73321390, 128612930, 146642780, 257225860, 784538873, 1569077746, 3138155492, 3922694365, 7845388730, 15690777460]

約数ペア:

[(1, 15690777460), (2, 7845388730), (4, 3922694365), (5, 3138155492), (10, 1569077746), (20, 784538873), (61, 257225860), (107, 146642780), (122, 128612930), (214, 73321390), (244, 64306465), (305, 51445172), (428, 36660695), (535, 29328556), (610, 25722586), (1070, 14664278), (1220, 12861293), (2140, 7332139), (6527, 2403980), (13054, 1201990), (26108, 600995), (32635, 480796), (65270, 240398), (120199, 130540)]