68419680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{2909}}^1$

素因数の和:2941

約数の個数: 144

約数和(自身を含む): 250795440

約数和(自身を除く): 182375760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2909, 2940, 3360, 3920, 4704, 5818, 5880, 7840, 8727, 11636, 11760, 14545, 17454, 20363, 23272, 23520, 29090, 34908, 40726, 43635, 46544, 58180, 61089, 69816, 81452, 87270, 93088, 101815, 116360, 122178, 139632, 142541, 162904, 174540, 203630, 232720, 244356, 279264, 285082, 305445, 325808, 349080, 407260, 427623, 465440, 488712, 570164, 610890, 651616, 698160, 712705, 814520, 855246, 977424, 1140328, 1221780, 1396320, 1425410, 1629040, 1710492, 1954848, 2138115, 2280656, 2443560, 2850820, 3258080, 3420984, 4276230, 4561312, 4887120, 5701640, 6841968, 8552460, 9774240, 11403280, 13683936, 17104920, 22806560, 34209840, 68419680]

約数ペア:

[(1, 68419680), (2, 34209840), (3, 22806560), (4, 17104920), (5, 13683936), (6, 11403280), (7, 9774240), (8, 8552460), (10, 6841968), (12, 5701640), (14, 4887120), (15, 4561312), (16, 4276230), (20, 3420984), (21, 3258080), (24, 2850820), (28, 2443560), (30, 2280656), (32, 2138115), (35, 1954848), (40, 1710492), (42, 1629040), (48, 1425410), (49, 1396320), (56, 1221780), (60, 1140328), (70, 977424), (80, 855246), (84, 814520), (96, 712705), (98, 698160), (105, 651616), (112, 610890), (120, 570164), (140, 488712), (147, 465440), (160, 427623), (168, 407260), (196, 349080), (210, 325808), (224, 305445), (240, 285082), (245, 279264), (280, 244356), (294, 232720), (336, 203630), (392, 174540), (420, 162904), (480, 142541), (490, 139632), (560, 122178), (588, 116360), (672, 101815), (735, 93088), (784, 87270), (840, 81452), (980, 69816), (1120, 61089), (1176, 58180), (1470, 46544), (1568, 43635), (1680, 40726), (1960, 34908), (2352, 29090), (2909, 23520), (2940, 23272), (3360, 20363), (3920, 17454), (4704, 14545), (5818, 11760), (5880, 11636), (7840, 8727)]