91151720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 231978600

約数和(自身を除く): 140826880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 121, 148, 185, 220, 242, 296, 370, 407, 440, 484, 509, 605, 740, 814, 968, 1018, 1210, 1480, 1628, 2035, 2036, 2420, 2545, 3256, 4070, 4072, 4477, 4840, 5090, 5599, 8140, 8954, 10180, 11198, 16280, 17908, 18833, 20360, 22385, 22396, 27995, 35816, 37666, 44770, 44792, 55990, 61589, 75332, 89540, 94165, 111980, 123178, 150664, 179080, 188330, 207163, 223960, 246356, 307945, 376660, 414326, 492712, 615890, 753320, 828652, 1035815, 1231780, 1657304, 2071630, 2278793, 2463560, 4143260, 4557586, 8286520, 9115172, 11393965, 18230344, 22787930, 45575860, 91151720]

約数ペア:

[(1, 91151720), (2, 45575860), (4, 22787930), (5, 18230344), (8, 11393965), (10, 9115172), (11, 8286520), (20, 4557586), (22, 4143260), (37, 2463560), (40, 2278793), (44, 2071630), (55, 1657304), (74, 1231780), (88, 1035815), (110, 828652), (121, 753320), (148, 615890), (185, 492712), (220, 414326), (242, 376660), (296, 307945), (370, 246356), (407, 223960), (440, 207163), (484, 188330), (509, 179080), (605, 150664), (740, 123178), (814, 111980), (968, 94165), (1018, 89540), (1210, 75332), (1480, 61589), (1628, 55990), (2035, 44792), (2036, 44770), (2420, 37666), (2545, 35816), (3256, 27995), (4070, 22396), (4072, 22385), (4477, 20360), (4840, 18833), (5090, 17908), (5599, 16280), (8140, 11198), (8954, 10180)]