164378480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4021}}^1$

素因数の和:4114

約数の個数: 80

約数和(自身を含む): 442870464

約数和(自身を除く): 278491984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4021, 4088, 5110, 5840, 8042, 8176, 10220, 16084, 20105, 20440, 28147, 32168, 40210, 40880, 56294, 64336, 80420, 112588, 140735, 160840, 225176, 281470, 293533, 321680, 450352, 562940, 587066, 1125880, 1174132, 1467665, 2054731, 2251760, 2348264, 2935330, 4109462, 4696528, 5870660, 8218924, 10273655, 11741320, 16437848, 20547310, 23482640, 32875696, 41094620, 82189240, 164378480]

約数ペア:

[(1, 164378480), (2, 82189240), (4, 41094620), (5, 32875696), (7, 23482640), (8, 20547310), (10, 16437848), (14, 11741320), (16, 10273655), (20, 8218924), (28, 5870660), (35, 4696528), (40, 4109462), (56, 2935330), (70, 2348264), (73, 2251760), (80, 2054731), (112, 1467665), (140, 1174132), (146, 1125880), (280, 587066), (292, 562940), (365, 450352), (511, 321680), (560, 293533), (584, 281470), (730, 225176), (1022, 160840), (1168, 140735), (1460, 112588), (2044, 80420), (2555, 64336), (2920, 56294), (4021, 40880), (4088, 40210), (5110, 32168), (5840, 28147), (8042, 20440), (8176, 20105), (10220, 16084)]