78279520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 204664320

約数和(自身を除く): 126384800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 563, 632, 790, 869, 880, 1126, 1264, 1580, 1738, 1760, 2252, 2528, 2815, 3160, 3476, 4345, 4504, 5630, 6193, 6320, 6952, 8690, 9008, 11260, 12386, 12640, 13904, 17380, 18016, 22520, 24772, 27808, 30965, 34760, 44477, 45040, 49544, 61930, 69520, 88954, 90080, 99088, 123860, 139040, 177908, 198176, 222385, 247720, 355816, 444770, 489247, 495440, 711632, 889540, 978494, 990880, 1423264, 1779080, 1956988, 2446235, 3558160, 3913976, 4892470, 7116320, 7827952, 9784940, 15655904, 19569880, 39139760, 78279520]

約数ペア:

[(1, 78279520), (2, 39139760), (4, 19569880), (5, 15655904), (8, 9784940), (10, 7827952), (11, 7116320), (16, 4892470), (20, 3913976), (22, 3558160), (32, 2446235), (40, 1956988), (44, 1779080), (55, 1423264), (79, 990880), (80, 978494), (88, 889540), (110, 711632), (158, 495440), (160, 489247), (176, 444770), (220, 355816), (316, 247720), (352, 222385), (395, 198176), (440, 177908), (563, 139040), (632, 123860), (790, 99088), (869, 90080), (880, 88954), (1126, 69520), (1264, 61930), (1580, 49544), (1738, 45040), (1760, 44477), (2252, 34760), (2528, 30965), (2815, 27808), (3160, 24772), (3476, 22520), (4345, 18016), (4504, 17380), (5630, 13904), (6193, 12640), (6320, 12386), (6952, 11260), (8690, 9008)]