26861640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 88421760

約数和(自身を除く): 61560120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 257, 260, 268, 312, 335, 390, 402, 514, 520, 536, 670, 771, 780, 804, 871, 1005, 1028, 1285, 1340, 1542, 1560, 1608, 1742, 2010, 2056, 2570, 2613, 2680, 3084, 3341, 3484, 3855, 4020, 4355, 5140, 5226, 6168, 6682, 6968, 7710, 8040, 8710, 10023, 10280, 10452, 13065, 13364, 15420, 16705, 17219, 17420, 20046, 20904, 26130, 26728, 30840, 33410, 34438, 34840, 40092, 50115, 51657, 52260, 66820, 68876, 80184, 86095, 100230, 103314, 104520, 133640, 137752, 172190, 200460, 206628, 223847, 258285, 344380, 400920, 413256, 447694, 516570, 671541, 688760, 895388, 1033140, 1119235, 1343082, 1790776, 2066280, 2238470, 2686164, 3357705, 4476940, 5372328, 6715410, 8953880, 13430820, 26861640]

約数ペア:

[(1, 26861640), (2, 13430820), (3, 8953880), (4, 6715410), (5, 5372328), (6, 4476940), (8, 3357705), (10, 2686164), (12, 2238470), (13, 2066280), (15, 1790776), (20, 1343082), (24, 1119235), (26, 1033140), (30, 895388), (39, 688760), (40, 671541), (52, 516570), (60, 447694), (65, 413256), (67, 400920), (78, 344380), (104, 258285), (120, 223847), (130, 206628), (134, 200460), (156, 172190), (195, 137752), (201, 133640), (257, 104520), (260, 103314), (268, 100230), (312, 86095), (335, 80184), (390, 68876), (402, 66820), (514, 52260), (520, 51657), (536, 50115), (670, 40092), (771, 34840), (780, 34438), (804, 33410), (871, 30840), (1005, 26728), (1028, 26130), (1285, 20904), (1340, 20046), (1542, 17420), (1560, 17219), (1608, 16705), (1742, 15420), (2010, 13364), (2056, 13065), (2570, 10452), (2613, 10280), (2680, 10023), (3084, 8710), (3341, 8040), (3484, 7710), (3855, 6968), (4020, 6682), (4355, 6168), (5140, 5226)]