1285386840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16763}}^1$

素因数の和:16854

約数の個数: 128

約数和(自身を含む): 4345228800

約数和(自身を除く): 3059841960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2840, 3195, 3834, 4260, 5112, 6390, 7668, 8520, 9585, 12780, 15336, 16763, 19170, 25560, 33526, 38340, 50289, 67052, 76680, 83815, 100578, 134104, 150867, 167630, 201156, 251445, 301734, 335260, 402312, 452601, 502890, 603468, 670520, 754335, 905202, 1005780, 1190173, 1206936, 1508670, 1810404, 2011560, 2263005, 2380346, 3017340, 3570519, 3620808, 4526010, 4760692, 5950865, 6034680, 7141038, 9052020, 9521384, 10711557, 11901730, 14282076, 17852595, 18104040, 21423114, 23803460, 28564152, 32134671, 35705190, 42846228, 47606920, 53557785, 64269342, 71410380, 85692456, 107115570, 128538684, 142820760, 160673355, 214231140, 257077368, 321346710, 428462280, 642693420, 1285386840]

約数ペア:

[(1, 1285386840), (2, 642693420), (3, 428462280), (4, 321346710), (5, 257077368), (6, 214231140), (8, 160673355), (9, 142820760), (10, 128538684), (12, 107115570), (15, 85692456), (18, 71410380), (20, 64269342), (24, 53557785), (27, 47606920), (30, 42846228), (36, 35705190), (40, 32134671), (45, 28564152), (54, 23803460), (60, 21423114), (71, 18104040), (72, 17852595), (90, 14282076), (108, 11901730), (120, 10711557), (135, 9521384), (142, 9052020), (180, 7141038), (213, 6034680), (216, 5950865), (270, 4760692), (284, 4526010), (355, 3620808), (360, 3570519), (426, 3017340), (540, 2380346), (568, 2263005), (639, 2011560), (710, 1810404), (852, 1508670), (1065, 1206936), (1080, 1190173), (1278, 1005780), (1420, 905202), (1704, 754335), (1917, 670520), (2130, 603468), (2556, 502890), (2840, 452601), (3195, 402312), (3834, 335260), (4260, 301734), (5112, 251445), (6390, 201156), (7668, 167630), (8520, 150867), (9585, 134104), (12780, 100578), (15336, 83815), (16763, 76680), (19170, 67052), (25560, 50289), (33526, 38340)]