55247220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 193415040

約数和(自身を除く): 138167820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 269, 315, 326, 420, 489, 538, 630, 652, 807, 815, 978, 1076, 1141, 1260, 1345, 1467, 1614, 1630, 1883, 1956, 2282, 2421, 2445, 2690, 2934, 3228, 3260, 3423, 3766, 4035, 4564, 4842, 4890, 5380, 5649, 5705, 5868, 6846, 7335, 7532, 8070, 9415, 9684, 9780, 10269, 11298, 11410, 12105, 13692, 14670, 16140, 16947, 17115, 18830, 20538, 22596, 22820, 24210, 28245, 29340, 33894, 34230, 37660, 41076, 43847, 48420, 51345, 56490, 67788, 68460, 84735, 87694, 102690, 112980, 131541, 169470, 175388, 205380, 219235, 263082, 306929, 338940, 394623, 438470, 526164, 613858, 657705, 789246, 876940, 920787, 1227716, 1315410, 1534645, 1578492, 1841574, 1973115, 2630820, 2762361, 3069290, 3683148, 3946230, 4603935, 5524722, 6138580, 7892460, 9207870, 11049444, 13811805, 18415740, 27623610, 55247220]

約数ペア:

[(1, 55247220), (2, 27623610), (3, 18415740), (4, 13811805), (5, 11049444), (6, 9207870), (7, 7892460), (9, 6138580), (10, 5524722), (12, 4603935), (14, 3946230), (15, 3683148), (18, 3069290), (20, 2762361), (21, 2630820), (28, 1973115), (30, 1841574), (35, 1578492), (36, 1534645), (42, 1315410), (45, 1227716), (60, 920787), (63, 876940), (70, 789246), (84, 657705), (90, 613858), (105, 526164), (126, 438470), (140, 394623), (163, 338940), (180, 306929), (210, 263082), (252, 219235), (269, 205380), (315, 175388), (326, 169470), (420, 131541), (489, 112980), (538, 102690), (630, 87694), (652, 84735), (807, 68460), (815, 67788), (978, 56490), (1076, 51345), (1141, 48420), (1260, 43847), (1345, 41076), (1467, 37660), (1614, 34230), (1630, 33894), (1883, 29340), (1956, 28245), (2282, 24210), (2421, 22820), (2445, 22596), (2690, 20538), (2934, 18830), (3228, 17115), (3260, 16947), (3423, 16140), (3766, 14670), (4035, 13692), (4564, 12105), (4842, 11410), (4890, 11298), (5380, 10269), (5649, 9780), (5705, 9684), (5868, 9415), (6846, 8070), (7335, 7532)]