257292144

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1815

約数の個数: 120

約数和(自身を含む): 775365552

約数和(自身を除く): 518073408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 61, 68, 72, 102, 122, 136, 144, 153, 183, 204, 244, 272, 306, 366, 408, 488, 549, 612, 732, 816, 976, 1037, 1098, 1224, 1464, 1723, 2074, 2196, 2448, 2928, 3111, 3446, 4148, 4392, 5169, 6222, 6892, 8296, 8784, 9333, 10338, 12444, 13784, 15507, 16592, 18666, 20676, 24888, 27568, 29291, 31014, 37332, 41352, 49776, 58582, 62028, 74664, 82704, 87873, 105103, 117164, 124056, 149328, 175746, 210206, 234328, 248112, 263619, 315309, 351492, 420412, 468656, 527238, 630618, 702984, 840824, 945927, 1054476, 1261236, 1405968, 1681648, 1786751, 1891854, 2108952, 2522472, 3573502, 3783708, 4217904, 5044944, 5360253, 7147004, 7567416, 10720506, 14294008, 15134832, 16080759, 21441012, 28588016, 32161518, 42882024, 64323036, 85764048, 128646072, 257292144]

約数ペア:

[(1, 257292144), (2, 128646072), (3, 85764048), (4, 64323036), (6, 42882024), (8, 32161518), (9, 28588016), (12, 21441012), (16, 16080759), (17, 15134832), (18, 14294008), (24, 10720506), (34, 7567416), (36, 7147004), (48, 5360253), (51, 5044944), (61, 4217904), (68, 3783708), (72, 3573502), (102, 2522472), (122, 2108952), (136, 1891854), (144, 1786751), (153, 1681648), (183, 1405968), (204, 1261236), (244, 1054476), (272, 945927), (306, 840824), (366, 702984), (408, 630618), (488, 527238), (549, 468656), (612, 420412), (732, 351492), (816, 315309), (976, 263619), (1037, 248112), (1098, 234328), (1224, 210206), (1464, 175746), (1723, 149328), (2074, 124056), (2196, 117164), (2448, 105103), (2928, 87873), (3111, 82704), (3446, 74664), (4148, 62028), (4392, 58582), (5169, 49776), (6222, 41352), (6892, 37332), (8296, 31014), (8784, 29291), (9333, 27568), (10338, 24888), (12444, 20676), (13784, 18666), (15507, 16592)]