257445559260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{266689}}^1$

素因数の和:266908

約数の個数: 144

約数和(自身を含む): 810771736320

約数和(自身を除く): 553326177060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 173, 180, 186, 279, 310, 346, 372, 465, 519, 558, 620, 692, 865, 930, 1038, 1116, 1395, 1557, 1730, 1860, 2076, 2595, 2790, 3114, 3460, 5190, 5363, 5580, 6228, 7785, 10380, 10726, 15570, 16089, 21452, 26815, 31140, 32178, 48267, 53630, 64356, 80445, 96534, 107260, 160890, 193068, 241335, 266689, 321780, 482670, 533378, 800067, 965340, 1066756, 1333445, 1600134, 2400201, 2666890, 3200268, 4000335, 4800402, 5333780, 8000670, 8267359, 9600804, 12001005, 16001340, 16534718, 24002010, 24802077, 33069436, 41336795, 46137197, 48004020, 49604154, 74406231, 82673590, 92274394, 99208308, 124010385, 138411591, 148812462, 165347180, 184548788, 230685985, 248020770, 276823182, 297624924, 372031155, 415234773, 461371970, 496041540, 553646364, 692057955, 744062310, 830469546, 922743940, 1384115910, 1430253107, 1488124620, 1660939092, 2076173865, 2768231820, 2860506214, 4152347730, 4290759321, 5721012428, 7151265535, 8304695460, 8581518642, 12872277963, 14302531070, 17163037284, 21453796605, 25744555926, 28605062140, 42907593210, 51489111852, 64361389815, 85815186420, 128722779630, 257445559260]

約数ペア:

[(1, 257445559260), (2, 128722779630), (3, 85815186420), (4, 64361389815), (5, 51489111852), (6, 42907593210), (9, 28605062140), (10, 25744555926), (12, 21453796605), (15, 17163037284), (18, 14302531070), (20, 12872277963), (30, 8581518642), (31, 8304695460), (36, 7151265535), (45, 5721012428), (60, 4290759321), (62, 4152347730), (90, 2860506214), (93, 2768231820), (124, 2076173865), (155, 1660939092), (173, 1488124620), (180, 1430253107), (186, 1384115910), (279, 922743940), (310, 830469546), (346, 744062310), (372, 692057955), (465, 553646364), (519, 496041540), (558, 461371970), (620, 415234773), (692, 372031155), (865, 297624924), (930, 276823182), (1038, 248020770), (1116, 230685985), (1395, 184548788), (1557, 165347180), (1730, 148812462), (1860, 138411591), (2076, 124010385), (2595, 99208308), (2790, 92274394), (3114, 82673590), (3460, 74406231), (5190, 49604154), (5363, 48004020), (5580, 46137197), (6228, 41336795), (7785, 33069436), (10380, 24802077), (10726, 24002010), (15570, 16534718), (16089, 16001340), (21452, 12001005), (26815, 9600804), (31140, 8267359), (32178, 8000670), (48267, 5333780), (53630, 4800402), (64356, 4000335), (80445, 3200268), (96534, 2666890), (107260, 2400201), (160890, 1600134), (193068, 1333445), (241335, 1066756), (266689, 965340), (321780, 800067), (482670, 533378)]