81233330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 154431360

約数和(自身を除く): 73198030

約数列:

[1, 2, 5, 10, 31, 62, 79, 107, 155, 158, 214, 310, 395, 535, 790, 961, 1070, 1922, 2449, 3317, 4805, 4898, 6634, 8453, 9610, 12245, 16585, 16906, 24490, 33170, 42265, 75919, 84530, 102827, 151838, 205654, 262043, 379595, 514135, 524086, 759190, 1028270, 1310215, 2620430, 8123333, 16246666, 40616665, 81233330]

約数ペア:

[(1, 81233330), (2, 40616665), (5, 16246666), (10, 8123333), (31, 2620430), (62, 1310215), (79, 1028270), (107, 759190), (155, 524086), (158, 514135), (214, 379595), (310, 262043), (395, 205654), (535, 151838), (790, 102827), (961, 84530), (1070, 75919), (1922, 42265), (2449, 33170), (3317, 24490), (4805, 16906), (4898, 16585), (6634, 12245), (8453, 9610)]