91541840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 155942320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 43, 46, 52, 65, 80, 86, 89, 92, 104, 115, 130, 172, 178, 184, 208, 215, 230, 260, 299, 344, 356, 368, 430, 445, 460, 520, 559, 598, 688, 712, 860, 890, 920, 989, 1040, 1118, 1157, 1196, 1424, 1495, 1720, 1780, 1840, 1978, 2047, 2236, 2314, 2392, 2795, 2990, 3440, 3560, 3827, 3956, 4094, 4472, 4628, 4784, 4945, 5590, 5785, 5980, 7120, 7654, 7912, 8188, 8944, 9256, 9890, 10235, 11180, 11570, 11960, 12857, 15308, 15824, 16376, 18512, 19135, 19780, 20470, 22360, 23140, 23920, 25714, 26611, 30616, 32752, 38270, 39560, 40940, 44720, 46280, 49751, 51428, 53222, 61232, 64285, 76540, 79120, 81880, 88021, 92560, 99502, 102856, 106444, 128570, 133055, 153080, 163760, 176042, 199004, 205712, 212888, 248755, 257140, 266110, 306160, 352084, 398008, 425776, 440105, 497510, 514280, 532220, 704168, 796016, 880210, 995020, 1028560, 1064440, 1144273, 1408336, 1760420, 1990040, 2128880, 2288546, 3520840, 3980080, 4577092, 5721365, 7041680, 9154184, 11442730, 18308368, 22885460, 45770920, 91541840]

約数ペア:

[(1, 91541840), (2, 45770920), (4, 22885460), (5, 18308368), (8, 11442730), (10, 9154184), (13, 7041680), (16, 5721365), (20, 4577092), (23, 3980080), (26, 3520840), (40, 2288546), (43, 2128880), (46, 1990040), (52, 1760420), (65, 1408336), (80, 1144273), (86, 1064440), (89, 1028560), (92, 995020), (104, 880210), (115, 796016), (130, 704168), (172, 532220), (178, 514280), (184, 497510), (208, 440105), (215, 425776), (230, 398008), (260, 352084), (299, 306160), (344, 266110), (356, 257140), (368, 248755), (430, 212888), (445, 205712), (460, 199004), (520, 176042), (559, 163760), (598, 153080), (688, 133055), (712, 128570), (860, 106444), (890, 102856), (920, 99502), (989, 92560), (1040, 88021), (1118, 81880), (1157, 79120), (1196, 76540), (1424, 64285), (1495, 61232), (1720, 53222), (1780, 51428), (1840, 49751), (1978, 46280), (2047, 44720), (2236, 40940), (2314, 39560), (2392, 38270), (2795, 32752), (2990, 30616), (3440, 26611), (3560, 25714), (3827, 23920), (3956, 23140), (4094, 22360), (4472, 20470), (4628, 19780), (4784, 19135), (4945, 18512), (5590, 16376), (5785, 15824), (5980, 15308), (7120, 12857), (7654, 11960), (7912, 11570), (8188, 11180), (8944, 10235), (9256, 9890)]