261065155840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{346277}}^1$

素因数の和:346348

約数の個数: 144

約数和(自身を含む): 679480542720

約数和(自身を除く): 418415386880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1280, 1520, 1984, 2356, 2432, 2480, 2945, 3040, 3968, 4712, 4864, 4960, 5890, 6080, 7936, 9424, 9920, 11780, 12160, 18848, 19840, 23560, 24320, 37696, 39680, 47120, 75392, 94240, 150784, 188480, 346277, 376960, 692554, 753920, 1385108, 1731385, 2770216, 3462770, 5540432, 6579263, 6925540, 10734587, 11080864, 13158526, 13851080, 21469174, 22161728, 26317052, 27702160, 32896315, 42938348, 44323456, 52634104, 53672935, 55404320, 65792630, 85876696, 88646912, 105268208, 107345870, 110808640, 131585260, 171753392, 203957153, 210536416, 214691740, 221617280, 263170520, 343506784, 407914306, 421072832, 429383480, 443234560, 526341040, 687013568, 815828612, 842145664, 858766960, 1019785765, 1052682080, 1374027136, 1631657224, 1684291328, 1717533920, 2039571530, 2105364160, 2748054272, 3263314448, 3435067840, 4079143060, 4210728320, 6526628896, 6870135680, 8158286120, 8421456640, 13053257792, 13740271360, 16316572240, 26106515584, 32633144480, 52213031168, 65266288960, 130532577920, 261065155840]

約数ペア:

[(1, 261065155840), (2, 130532577920), (4, 65266288960), (5, 52213031168), (8, 32633144480), (10, 26106515584), (16, 16316572240), (19, 13740271360), (20, 13053257792), (31, 8421456640), (32, 8158286120), (38, 6870135680), (40, 6526628896), (62, 4210728320), (64, 4079143060), (76, 3435067840), (80, 3263314448), (95, 2748054272), (124, 2105364160), (128, 2039571530), (152, 1717533920), (155, 1684291328), (160, 1631657224), (190, 1374027136), (248, 1052682080), (256, 1019785765), (304, 858766960), (310, 842145664), (320, 815828612), (380, 687013568), (496, 526341040), (589, 443234560), (608, 429383480), (620, 421072832), (640, 407914306), (760, 343506784), (992, 263170520), (1178, 221617280), (1216, 214691740), (1240, 210536416), (1280, 203957153), (1520, 171753392), (1984, 131585260), (2356, 110808640), (2432, 107345870), (2480, 105268208), (2945, 88646912), (3040, 85876696), (3968, 65792630), (4712, 55404320), (4864, 53672935), (4960, 52634104), (5890, 44323456), (6080, 42938348), (7936, 32896315), (9424, 27702160), (9920, 26317052), (11780, 22161728), (12160, 21469174), (18848, 13851080), (19840, 13158526), (23560, 11080864), (24320, 10734587), (37696, 6925540), (39680, 6579263), (47120, 5540432), (75392, 3462770), (94240, 2770216), (150784, 1731385), (188480, 1385108), (346277, 753920), (376960, 692554)]