81851220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 275341248

約数和(自身を除く): 193490028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 67, 90, 99, 110, 132, 134, 165, 180, 198, 201, 220, 268, 330, 335, 396, 402, 495, 603, 617, 660, 670, 737, 804, 990, 1005, 1206, 1234, 1340, 1474, 1851, 1980, 2010, 2211, 2412, 2468, 2948, 3015, 3085, 3685, 3702, 4020, 4422, 5553, 6030, 6170, 6633, 6787, 7370, 7404, 8844, 9255, 11055, 11106, 12060, 12340, 13266, 13574, 14740, 18510, 20361, 22110, 22212, 26532, 27148, 27765, 33165, 33935, 37020, 40722, 41339, 44220, 55530, 61083, 66330, 67870, 81444, 82678, 101805, 111060, 122166, 124017, 132660, 135740, 165356, 203610, 206695, 244332, 248034, 305415, 372051, 407220, 413390, 454729, 496068, 610830, 620085, 744102, 826780, 909458, 1221660, 1240170, 1364187, 1488204, 1818916, 1860255, 2273645, 2480340, 2728374, 3720510, 4092561, 4547290, 5456748, 6820935, 7441020, 8185122, 9094580, 13641870, 16370244, 20462805, 27283740, 40925610, 81851220]

約数ペア:

[(1, 81851220), (2, 40925610), (3, 27283740), (4, 20462805), (5, 16370244), (6, 13641870), (9, 9094580), (10, 8185122), (11, 7441020), (12, 6820935), (15, 5456748), (18, 4547290), (20, 4092561), (22, 3720510), (30, 2728374), (33, 2480340), (36, 2273645), (44, 1860255), (45, 1818916), (55, 1488204), (60, 1364187), (66, 1240170), (67, 1221660), (90, 909458), (99, 826780), (110, 744102), (132, 620085), (134, 610830), (165, 496068), (180, 454729), (198, 413390), (201, 407220), (220, 372051), (268, 305415), (330, 248034), (335, 244332), (396, 206695), (402, 203610), (495, 165356), (603, 135740), (617, 132660), (660, 124017), (670, 122166), (737, 111060), (804, 101805), (990, 82678), (1005, 81444), (1206, 67870), (1234, 66330), (1340, 61083), (1474, 55530), (1851, 44220), (1980, 41339), (2010, 40722), (2211, 37020), (2412, 33935), (2468, 33165), (2948, 27765), (3015, 27148), (3085, 26532), (3685, 22212), (3702, 22110), (4020, 20361), (4422, 18510), (5553, 14740), (6030, 13574), (6170, 13266), (6633, 12340), (6787, 12060), (7370, 11106), (7404, 11055), (8844, 9255)]