123435180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 144

約数和(自身を含む): 421843968

約数和(自身を除く): 298408788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2011, 2046, 2790, 3069, 3410, 4022, 4092, 5115, 5580, 6033, 6138, 6820, 8044, 10055, 10230, 12066, 12276, 15345, 18099, 20110, 20460, 22121, 24132, 30165, 30690, 36198, 40220, 44242, 60330, 61380, 62341, 66363, 72396, 88484, 90495, 110605, 120660, 124682, 132726, 180990, 187023, 199089, 221210, 249364, 265452, 311705, 331815, 361980, 374046, 398178, 442420, 561069, 623410, 663630, 685751, 748092, 796356, 935115, 995445, 1122138, 1246820, 1327260, 1371502, 1870230, 1990890, 2057253, 2244276, 2743004, 2805345, 3428755, 3740460, 3981780, 4114506, 5610690, 6171759, 6857510, 8229012, 10286265, 11221380, 12343518, 13715020, 20572530, 24687036, 30858795, 41145060, 61717590, 123435180]

約数ペア:

[(1, 123435180), (2, 61717590), (3, 41145060), (4, 30858795), (5, 24687036), (6, 20572530), (9, 13715020), (10, 12343518), (11, 11221380), (12, 10286265), (15, 8229012), (18, 6857510), (20, 6171759), (22, 5610690), (30, 4114506), (31, 3981780), (33, 3740460), (36, 3428755), (44, 2805345), (45, 2743004), (55, 2244276), (60, 2057253), (62, 1990890), (66, 1870230), (90, 1371502), (93, 1327260), (99, 1246820), (110, 1122138), (124, 995445), (132, 935115), (155, 796356), (165, 748092), (180, 685751), (186, 663630), (198, 623410), (220, 561069), (279, 442420), (310, 398178), (330, 374046), (341, 361980), (372, 331815), (396, 311705), (465, 265452), (495, 249364), (558, 221210), (620, 199089), (660, 187023), (682, 180990), (930, 132726), (990, 124682), (1023, 120660), (1116, 110605), (1364, 90495), (1395, 88484), (1705, 72396), (1860, 66363), (1980, 62341), (2011, 61380), (2046, 60330), (2790, 44242), (3069, 40220), (3410, 36198), (4022, 30690), (4092, 30165), (5115, 24132), (5580, 22121), (6033, 20460), (6138, 20110), (6820, 18099), (8044, 15345), (10055, 12276), (10230, 12066)]