87877760

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 229022640

約数和(自身を除く): 141144880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 197, 205, 272, 320, 328, 340, 394, 410, 544, 640, 656, 680, 697, 788, 820, 985, 1088, 1312, 1360, 1394, 1576, 1640, 1970, 2176, 2624, 2720, 2788, 3152, 3280, 3349, 3485, 3940, 5248, 5440, 5576, 6304, 6560, 6698, 6970, 7880, 8077, 10880, 11152, 12608, 13120, 13396, 13940, 15760, 16154, 16745, 22304, 25216, 26240, 26792, 27880, 31520, 32308, 33490, 40385, 44608, 53584, 55760, 63040, 64616, 66980, 80770, 89216, 107168, 111520, 126080, 129232, 133960, 137309, 161540, 214336, 223040, 258464, 267920, 274618, 323080, 428672, 446080, 516928, 535840, 549236, 646160, 686545, 1033856, 1071680, 1098472, 1292320, 1373090, 2143360, 2196944, 2584640, 2746180, 4393888, 5169280, 5492360, 8787776, 10984720, 17575552, 21969440, 43938880, 87877760]

約数ペア:

[(1, 87877760), (2, 43938880), (4, 21969440), (5, 17575552), (8, 10984720), (10, 8787776), (16, 5492360), (17, 5169280), (20, 4393888), (32, 2746180), (34, 2584640), (40, 2196944), (41, 2143360), (64, 1373090), (68, 1292320), (80, 1098472), (82, 1071680), (85, 1033856), (128, 686545), (136, 646160), (160, 549236), (164, 535840), (170, 516928), (197, 446080), (205, 428672), (272, 323080), (320, 274618), (328, 267920), (340, 258464), (394, 223040), (410, 214336), (544, 161540), (640, 137309), (656, 133960), (680, 129232), (697, 126080), (788, 111520), (820, 107168), (985, 89216), (1088, 80770), (1312, 66980), (1360, 64616), (1394, 63040), (1576, 55760), (1640, 53584), (1970, 44608), (2176, 40385), (2624, 33490), (2720, 32308), (2788, 31520), (3152, 27880), (3280, 26792), (3349, 26240), (3485, 25216), (3940, 22304), (5248, 16745), (5440, 16154), (5576, 15760), (6304, 13940), (6560, 13396), (6698, 13120), (6970, 12608), (7880, 11152), (8077, 10880)]