About the Number

2166787440

2166787439 ← → 2166787441

2進数表記:10000001001001101000110101110000

漢数字表記:二十一億六千六百七十八万七千四百四十

素因数分解:

2 4 × 3 2 × 5 1 × 349 1 × 8623 1

素因数の和:8991
約数の個数: 120
約数和(自身を含む): 7298491200
約数和(自身を除く): 5131703760

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 349, 360, 698, 720, 1047, 1396, 1745, 2094, 2792, 3141, 3490, 4188, 5235, 5584, 6282, 6980, 8376, 8623, 10470, 12564, 13960, 15705, 16752, 17246, 20940, 25128, 25869, 27920, 31410, 34492, 41880, 43115, 50256, 51738, 62820, 68984, 77607, 83760, 86230, 103476, 125640, 129345, 137968, 155214, 172460, 206952, 251280, 258690, 310428, 344920, 388035, 413904, 517380, 620856, 689840, 776070, 1034760, 1241712, 1552140, 2069520, 3009427, 3104280, 6018854, 6208560, 9028281, 12037708, 15047135, 18056562, 24075416, 27084843, 30094270, 36113124, 45141405, 48150832, 54169686, 60188540, 72226248, 90282810, 108339372, 120377080, 135424215, 144452496, 180565620, 216678744, 240754160, 270848430, 361131240, 433357488, 541696860, 722262480, 1083393720, 2166787440]

約数ペア:
[(1, 2166787440), (2, 1083393720), (3, 722262480), (4, 541696860), (5, 433357488), (6, 361131240), (8, 270848430), (9, 240754160), (10, 216678744), (12, 180565620), (15, 144452496), (16, 135424215), (18, 120377080), (20, 108339372), (24, 90282810), (30, 72226248), (36, 60188540), (40, 54169686), (45, 48150832), (48, 45141405), (60, 36113124), (72, 30094270), (80, 27084843), (90, 24075416), (120, 18056562), (144, 15047135), (180, 12037708), (240, 9028281), (349, 6208560), (360, 6018854), (698, 3104280), (720, 3009427), (1047, 2069520), (1396, 1552140), (1745, 1241712), (2094, 1034760), (2792, 776070), (3141, 689840), (3490, 620856), (4188, 517380), (5235, 413904), (5584, 388035), (6282, 344920), (6980, 310428), (8376, 258690), (8623, 251280), (10470, 206952), (12564, 172460), (13960, 155214), (15705, 137968), (16752, 129345), (17246, 125640), (20940, 103476), (25128, 86230), (25869, 83760), (27920, 77607), (31410, 68984), (34492, 62820), (41880, 51738), (43115, 50256)]

このpageの処理時間: 0.08996200561523438 seconds