81419911.000000000

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{93739}}^1$

素因数の和:93761

約数の個数: 72

約数和(自身を含む): 409456320

約数和(自身を除く): 291345180

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, 180, 210, 252, 315, 420, 630, 1260, 93739, 187478, 281217, 374956, 468695, 562434, 656173, 843651, 937390, 1124868, 1312346, 1406085, 1687302, 1874780, 1968519, 2624692, 2812170, 3280865, 3374604, 3937038, 4218255, 5624340, 5905557, 6561730, 7874076, 8436510, 9842595, 11811114, 13123460, 16873020, 19685190, 23622228, 29527785, 39370380, 59055570, 118111140]

約数ペア:

[(1, 118111140), (2, 59055570), (3, 39370380), (4, 29527785), (5, 23622228), (6, 19685190), (7, 16873020), (9, 13123460), (10, 11811114), (12, 9842595), (14, 8436510), (15, 7874076), (18, 6561730), (20, 5905557), (21, 5624340), (28, 4218255), (30, 3937038), (35, 3374604), (36, 3280865), (42, 2812170), (45, 2624692), (60, 1968519), (63, 1874780), (70, 1687302), (84, 1406085), (90, 1312346), (105, 1124868), (126, 937390), (140, 843651), (180, 656173), (210, 562434), (252, 468695), (315, 374956), (420, 281217), (630, 187478), (1260, 93739)]