642011880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:1003

約数の個数: 128

約数和(自身を含む): 2018131200

約数和(自身を除く): 1376119320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 457, 460, 509, 552, 690, 914, 920, 1018, 1371, 1380, 1527, 1828, 2036, 2285, 2545, 2742, 2760, 3054, 3656, 4072, 4570, 5090, 5484, 6108, 6855, 7635, 9140, 10180, 10511, 10968, 11707, 12216, 13710, 15270, 18280, 20360, 21022, 23414, 27420, 30540, 31533, 35121, 42044, 46828, 52555, 54840, 58535, 61080, 63066, 70242, 84088, 93656, 105110, 117070, 126132, 140484, 157665, 175605, 210220, 232613, 234140, 252264, 280968, 315330, 351210, 420440, 465226, 468280, 630660, 697839, 702420, 930452, 1163065, 1261320, 1395678, 1404840, 1860904, 2326130, 2791356, 3489195, 4652260, 5350099, 5582712, 6978390, 9304520, 10700198, 13956780, 16050297, 21400396, 26750495, 27913560, 32100594, 42800792, 53500990, 64201188, 80251485, 107001980, 128402376, 160502970, 214003960, 321005940, 642011880]

約数ペア:

[(1, 642011880), (2, 321005940), (3, 214003960), (4, 160502970), (5, 128402376), (6, 107001980), (8, 80251485), (10, 64201188), (12, 53500990), (15, 42800792), (20, 32100594), (23, 27913560), (24, 26750495), (30, 21400396), (40, 16050297), (46, 13956780), (60, 10700198), (69, 9304520), (92, 6978390), (115, 5582712), (120, 5350099), (138, 4652260), (184, 3489195), (230, 2791356), (276, 2326130), (345, 1860904), (457, 1404840), (460, 1395678), (509, 1261320), (552, 1163065), (690, 930452), (914, 702420), (920, 697839), (1018, 630660), (1371, 468280), (1380, 465226), (1527, 420440), (1828, 351210), (2036, 315330), (2285, 280968), (2545, 252264), (2742, 234140), (2760, 232613), (3054, 210220), (3656, 175605), (4072, 157665), (4570, 140484), (5090, 126132), (5484, 117070), (6108, 105110), (6855, 93656), (7635, 84088), (9140, 70242), (10180, 63066), (10511, 61080), (10968, 58535), (11707, 54840), (12216, 52555), (13710, 46828), (15270, 42044), (18280, 35121), (20360, 31533), (21022, 30540), (23414, 27420)]