680208678

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:643

約数の個数: 80

約数和(自身を含む): 1564239600

約数和(自身を除く): 884030922

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 227, 318, 349, 454, 477, 681, 698, 954, 1047, 1362, 1431, 2043, 2094, 2862, 3141, 4086, 4293, 6129, 6282, 8586, 9423, 12031, 12258, 18387, 18497, 18846, 24062, 28269, 36093, 36774, 36994, 55491, 56538, 72186, 79223, 108279, 110982, 158446, 166473, 216558, 237669, 324837, 332946, 475338, 499419, 649674, 713007, 974511, 998838, 1426014, 1498257, 1949022, 2139021, 2996514, 4198819, 4278042, 6417063, 8397638, 12596457, 12834126, 25192914, 37789371, 75578742, 113368113, 226736226, 340104339, 680208678]

約数ペア:

[(1, 680208678), (2, 340104339), (3, 226736226), (6, 113368113), (9, 75578742), (18, 37789371), (27, 25192914), (53, 12834126), (54, 12596457), (81, 8397638), (106, 6417063), (159, 4278042), (162, 4198819), (227, 2996514), (318, 2139021), (349, 1949022), (454, 1498257), (477, 1426014), (681, 998838), (698, 974511), (954, 713007), (1047, 649674), (1362, 499419), (1431, 475338), (2043, 332946), (2094, 324837), (2862, 237669), (3141, 216558), (4086, 166473), (4293, 158446), (6129, 110982), (6282, 108279), (8586, 79223), (9423, 72186), (12031, 56538), (12258, 55491), (18387, 36994), (18497, 36774), (18846, 36093), (24062, 28269)]