217285416

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 648172800

約数和(自身を除く): 430887384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 61, 69, 72, 81, 92, 108, 122, 138, 162, 183, 184, 207, 216, 239, 244, 276, 324, 366, 414, 478, 488, 549, 552, 621, 648, 717, 732, 828, 956, 1098, 1242, 1403, 1434, 1464, 1647, 1656, 1863, 1912, 2151, 2196, 2484, 2806, 2868, 3294, 3726, 4209, 4302, 4392, 4941, 4968, 5497, 5612, 5736, 6453, 6588, 7452, 8418, 8604, 9882, 10994, 11224, 12627, 12906, 13176, 14579, 14904, 16491, 16836, 17208, 19359, 19764, 21988, 25254, 25812, 29158, 32982, 33672, 37881, 38718, 39528, 43737, 43976, 49473, 50508, 51624, 58316, 65964, 75762, 77436, 87474, 98946, 101016, 113643, 116632, 131211, 131928, 148419, 151524, 154872, 174948, 197892, 227286, 262422, 296838, 303048, 335317, 349896, 393633, 395784, 445257, 454572, 524844, 593676, 670634, 787266, 890514, 909144, 1005951, 1049688, 1180899, 1187352, 1341268, 1574532, 1781028, 2011902, 2361798, 2682536, 3017853, 3149064, 3562056, 4023804, 4723596, 6035706, 8047608, 9053559, 9447192, 12071412, 18107118, 24142824, 27160677, 36214236, 54321354, 72428472, 108642708, 217285416]

約数ペア:

[(1, 217285416), (2, 108642708), (3, 72428472), (4, 54321354), (6, 36214236), (8, 27160677), (9, 24142824), (12, 18107118), (18, 12071412), (23, 9447192), (24, 9053559), (27, 8047608), (36, 6035706), (46, 4723596), (54, 4023804), (61, 3562056), (69, 3149064), (72, 3017853), (81, 2682536), (92, 2361798), (108, 2011902), (122, 1781028), (138, 1574532), (162, 1341268), (183, 1187352), (184, 1180899), (207, 1049688), (216, 1005951), (239, 909144), (244, 890514), (276, 787266), (324, 670634), (366, 593676), (414, 524844), (478, 454572), (488, 445257), (549, 395784), (552, 393633), (621, 349896), (648, 335317), (717, 303048), (732, 296838), (828, 262422), (956, 227286), (1098, 197892), (1242, 174948), (1403, 154872), (1434, 151524), (1464, 148419), (1647, 131928), (1656, 131211), (1863, 116632), (1912, 113643), (2151, 101016), (2196, 98946), (2484, 87474), (2806, 77436), (2868, 75762), (3294, 65964), (3726, 58316), (4209, 51624), (4302, 50508), (4392, 49473), (4941, 43976), (4968, 43737), (5497, 39528), (5612, 38718), (5736, 37881), (6453, 33672), (6588, 32982), (7452, 29158), (8418, 25812), (8604, 25254), (9882, 21988), (10994, 19764), (11224, 19359), (12627, 17208), (12906, 16836), (13176, 16491), (14579, 14904)]