18730994520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3643}}^1\times {\mathrm{6121}}^1$

素因数の和:9785

約数の個数: 128

約数和(自身を含む): 64248675840

約数和(自身を除く): 45517681320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 3643, 6121, 7286, 10929, 12242, 14572, 18215, 18363, 21858, 24484, 25501, 29144, 30605, 36430, 36726, 42847, 43716, 48968, 51002, 54645, 61210, 72860, 73452, 76503, 85694, 87432, 91815, 102004, 109290, 122420, 127505, 128541, 145720, 146904, 153006, 171388, 183630, 204008, 214235, 218580, 244840, 255010, 257082, 306012, 342776, 367260, 382515, 428470, 437160, 510020, 514164, 612024, 642705, 734520, 765030, 856940, 1020040, 1028328, 1285410, 1530060, 1713880, 2570820, 3060120, 5141640, 22298803, 44597606, 66896409, 89195212, 111494015, 133792818, 156091621, 178390424, 222988030, 267585636, 312183242, 334482045, 445976060, 468274863, 535171272, 624366484, 668964090, 780458105, 891952120, 936549726, 1248732968, 1337928180, 1560916210, 1873099452, 2341374315, 2675856360, 3121832420, 3746198904, 4682748630, 6243664840, 9365497260, 18730994520]

約数ペア:

[(1, 18730994520), (2, 9365497260), (3, 6243664840), (4, 4682748630), (5, 3746198904), (6, 3121832420), (7, 2675856360), (8, 2341374315), (10, 1873099452), (12, 1560916210), (14, 1337928180), (15, 1248732968), (20, 936549726), (21, 891952120), (24, 780458105), (28, 668964090), (30, 624366484), (35, 535171272), (40, 468274863), (42, 445976060), (56, 334482045), (60, 312183242), (70, 267585636), (84, 222988030), (105, 178390424), (120, 156091621), (140, 133792818), (168, 111494015), (210, 89195212), (280, 66896409), (420, 44597606), (840, 22298803), (3643, 5141640), (6121, 3060120), (7286, 2570820), (10929, 1713880), (12242, 1530060), (14572, 1285410), (18215, 1028328), (18363, 1020040), (21858, 856940), (24484, 765030), (25501, 734520), (29144, 642705), (30605, 612024), (36430, 514164), (36726, 510020), (42847, 437160), (43716, 428470), (48968, 382515), (51002, 367260), (54645, 342776), (61210, 306012), (72860, 257082), (73452, 255010), (76503, 244840), (85694, 218580), (87432, 214235), (91815, 204008), (102004, 183630), (109290, 171388), (122420, 153006), (127505, 146904), (128541, 145720)]