281985360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8969}}^1$

素因数の和:9116

約数の個数: 80

約数和(自身を含む): 880925760

約数和(自身を除く): 598940400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 7860, 8969, 10480, 15720, 17938, 26907, 31440, 35876, 44845, 53814, 71752, 89690, 107628, 134535, 143504, 179380, 215256, 269070, 358760, 430512, 538140, 717520, 1076280, 1174939, 2152560, 2349878, 3524817, 4699756, 5874695, 7049634, 9399512, 11749390, 14099268, 17624085, 18799024, 23498780, 28198536, 35248170, 46997560, 56397072, 70496340, 93995120, 140992680, 281985360]

約数ペア:

[(1, 281985360), (2, 140992680), (3, 93995120), (4, 70496340), (5, 56397072), (6, 46997560), (8, 35248170), (10, 28198536), (12, 23498780), (15, 18799024), (16, 17624085), (20, 14099268), (24, 11749390), (30, 9399512), (40, 7049634), (48, 5874695), (60, 4699756), (80, 3524817), (120, 2349878), (131, 2152560), (240, 1174939), (262, 1076280), (393, 717520), (524, 538140), (655, 430512), (786, 358760), (1048, 269070), (1310, 215256), (1572, 179380), (1965, 143504), (2096, 134535), (2620, 107628), (3144, 89690), (3930, 71752), (5240, 53814), (6288, 44845), (7860, 35876), (8969, 31440), (10480, 26907), (15720, 17938)]