31200880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 78280704

約数和(自身を除く): 47079824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 547, 620, 713, 920, 1094, 1240, 1426, 1840, 2188, 2480, 2735, 2852, 3565, 4376, 5470, 5704, 7130, 8752, 10940, 11408, 12581, 14260, 16957, 21880, 25162, 28520, 33914, 43760, 50324, 57040, 62905, 67828, 84785, 100648, 125810, 135656, 169570, 201296, 251620, 271312, 339140, 390011, 503240, 678280, 780022, 1006480, 1356560, 1560044, 1950055, 3120088, 3900110, 6240176, 7800220, 15600440, 31200880]

約数ペア:

[(1, 31200880), (2, 15600440), (4, 7800220), (5, 6240176), (8, 3900110), (10, 3120088), (16, 1950055), (20, 1560044), (23, 1356560), (31, 1006480), (40, 780022), (46, 678280), (62, 503240), (80, 390011), (92, 339140), (115, 271312), (124, 251620), (155, 201296), (184, 169570), (230, 135656), (248, 125810), (310, 100648), (368, 84785), (460, 67828), (496, 62905), (547, 57040), (620, 50324), (713, 43760), (920, 33914), (1094, 28520), (1240, 25162), (1426, 21880), (1840, 16957), (2188, 14260), (2480, 12581), (2735, 11408), (2852, 10940), (3565, 8752), (4376, 7130), (5470, 5704)]