165721040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3517}}^1$

素因数の和:3580

約数の個数: 80

約数和(自身を含む): 418782720

約数和(自身を除く): 253061680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 3517, 4712, 5890, 7034, 9424, 11780, 14068, 17585, 23560, 28136, 35170, 47120, 56272, 66823, 70340, 109027, 133646, 140680, 218054, 267292, 281360, 334115, 436108, 534584, 545135, 668230, 872216, 1069168, 1090270, 1336460, 1744432, 2071513, 2180540, 2672920, 4143026, 4361080, 5345840, 8286052, 8722160, 10357565, 16572104, 20715130, 33144208, 41430260, 82860520, 165721040]

約数ペア:

[(1, 165721040), (2, 82860520), (4, 41430260), (5, 33144208), (8, 20715130), (10, 16572104), (16, 10357565), (19, 8722160), (20, 8286052), (31, 5345840), (38, 4361080), (40, 4143026), (62, 2672920), (76, 2180540), (80, 2071513), (95, 1744432), (124, 1336460), (152, 1090270), (155, 1069168), (190, 872216), (248, 668230), (304, 545135), (310, 534584), (380, 436108), (496, 334115), (589, 281360), (620, 267292), (760, 218054), (1178, 140680), (1240, 133646), (1520, 109027), (2356, 70340), (2480, 66823), (2945, 56272), (3517, 47120), (4712, 35170), (5890, 28136), (7034, 23560), (9424, 17585), (11780, 14068)]