81559380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8443}}^1$

素因数の和:8485

約数の個数: 96

約数和(自身を含む): 272369664

約数和(自身を除く): 190810284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 8443, 9660, 16886, 25329, 33772, 42215, 50658, 59101, 84430, 101316, 118202, 126645, 168860, 177303, 194189, 236404, 253290, 295505, 354606, 388378, 506580, 582567, 591010, 709212, 776756, 886515, 970945, 1165134, 1182020, 1359323, 1773030, 1941890, 2330268, 2718646, 2912835, 3546060, 3883780, 4077969, 5437292, 5825670, 6796615, 8155938, 11651340, 13593230, 16311876, 20389845, 27186460, 40779690, 81559380]

約数ペア:

[(1, 81559380), (2, 40779690), (3, 27186460), (4, 20389845), (5, 16311876), (6, 13593230), (7, 11651340), (10, 8155938), (12, 6796615), (14, 5825670), (15, 5437292), (20, 4077969), (21, 3883780), (23, 3546060), (28, 2912835), (30, 2718646), (35, 2330268), (42, 1941890), (46, 1773030), (60, 1359323), (69, 1182020), (70, 1165134), (84, 970945), (92, 886515), (105, 776756), (115, 709212), (138, 591010), (140, 582567), (161, 506580), (210, 388378), (230, 354606), (276, 295505), (322, 253290), (345, 236404), (420, 194189), (460, 177303), (483, 168860), (644, 126645), (690, 118202), (805, 101316), (966, 84430), (1380, 59101), (1610, 50658), (1932, 42215), (2415, 33772), (3220, 25329), (4830, 16886), (8443, 9660)]