9781845780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{21001}}^1$

素因数の和:22129

約数の個数: 96

約数和(自身を含む): 31331623680

約数和(自身を除く): 21549777900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1109, 2218, 3327, 4436, 5545, 6654, 7763, 11090, 13308, 15526, 16635, 21001, 22180, 23289, 31052, 33270, 38815, 42002, 46578, 63003, 66540, 77630, 84004, 93156, 105005, 116445, 126006, 147007, 155260, 210010, 232890, 252012, 294014, 315015, 420020, 441021, 465780, 588028, 630030, 735035, 882042, 1260060, 1470070, 1764084, 2205105, 2940140, 4410210, 8820420, 23290109, 46580218, 69870327, 93160436, 116450545, 139740654, 163030763, 232901090, 279481308, 326061526, 349351635, 465802180, 489092289, 652123052, 698703270, 815153815, 978184578, 1397406540, 1630307630, 1956369156, 2445461445, 3260615260, 4890922890, 9781845780]

約数ペア:

[(1, 9781845780), (2, 4890922890), (3, 3260615260), (4, 2445461445), (5, 1956369156), (6, 1630307630), (7, 1397406540), (10, 978184578), (12, 815153815), (14, 698703270), (15, 652123052), (20, 489092289), (21, 465802180), (28, 349351635), (30, 326061526), (35, 279481308), (42, 232901090), (60, 163030763), (70, 139740654), (84, 116450545), (105, 93160436), (140, 69870327), (210, 46580218), (420, 23290109), (1109, 8820420), (2218, 4410210), (3327, 2940140), (4436, 2205105), (5545, 1764084), (6654, 1470070), (7763, 1260060), (11090, 882042), (13308, 735035), (15526, 630030), (16635, 588028), (21001, 465780), (22180, 441021), (23289, 420020), (31052, 315015), (33270, 294014), (38815, 252012), (42002, 232890), (46578, 210010), (63003, 155260), (66540, 147007), (77630, 126006), (84004, 116445), (93156, 105005)]