51158340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4003}}^1$

素因数の和:4089

約数の個数: 72

約数和(自身を含む): 157405248

約数和(自身を除く): 106246908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4003, 4260, 6390, 8006, 12009, 12780, 16012, 20015, 24018, 36027, 40030, 48036, 60045, 72054, 80060, 120090, 144108, 180135, 240180, 284213, 360270, 568426, 720540, 852639, 1136852, 1421065, 1705278, 2557917, 2842130, 3410556, 4263195, 5115834, 5684260, 8526390, 10231668, 12789585, 17052780, 25579170, 51158340]

約数ペア:

[(1, 51158340), (2, 25579170), (3, 17052780), (4, 12789585), (5, 10231668), (6, 8526390), (9, 5684260), (10, 5115834), (12, 4263195), (15, 3410556), (18, 2842130), (20, 2557917), (30, 1705278), (36, 1421065), (45, 1136852), (60, 852639), (71, 720540), (90, 568426), (142, 360270), (180, 284213), (213, 240180), (284, 180135), (355, 144108), (426, 120090), (639, 80060), (710, 72054), (852, 60045), (1065, 48036), (1278, 40030), (1420, 36027), (2130, 24018), (2556, 20015), (3195, 16012), (4003, 12780), (4260, 12009), (6390, 8006)]