71465850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 204272640

約数和(自身を除く): 132806790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 47, 50, 62, 75, 90, 93, 94, 109, 141, 150, 155, 186, 218, 225, 235, 279, 282, 310, 327, 423, 450, 465, 470, 545, 558, 654, 705, 775, 846, 930, 981, 1090, 1175, 1395, 1410, 1457, 1550, 1635, 1962, 2115, 2325, 2350, 2725, 2790, 2914, 3270, 3379, 3525, 4230, 4371, 4650, 4905, 5123, 5450, 6758, 6975, 7050, 7285, 8175, 8742, 9810, 10137, 10246, 10575, 13113, 13950, 14570, 15369, 16350, 16895, 20274, 21150, 21855, 24525, 25615, 26226, 30411, 30738, 33790, 36425, 43710, 46107, 49050, 50685, 51230, 60822, 65565, 72850, 76845, 84475, 92214, 101370, 109275, 128075, 131130, 152055, 153690, 158813, 168950, 218550, 230535, 253425, 256150, 304110, 317626, 327825, 384225, 461070, 476439, 506850, 655650, 760275, 768450, 794065, 952878, 1152675, 1429317, 1520550, 1588130, 2305350, 2382195, 2858634, 3970325, 4764390, 7146585, 7940650, 11910975, 14293170, 23821950, 35732925, 71465850]

約数ペア:

[(1, 71465850), (2, 35732925), (3, 23821950), (5, 14293170), (6, 11910975), (9, 7940650), (10, 7146585), (15, 4764390), (18, 3970325), (25, 2858634), (30, 2382195), (31, 2305350), (45, 1588130), (47, 1520550), (50, 1429317), (62, 1152675), (75, 952878), (90, 794065), (93, 768450), (94, 760275), (109, 655650), (141, 506850), (150, 476439), (155, 461070), (186, 384225), (218, 327825), (225, 317626), (235, 304110), (279, 256150), (282, 253425), (310, 230535), (327, 218550), (423, 168950), (450, 158813), (465, 153690), (470, 152055), (545, 131130), (558, 128075), (654, 109275), (705, 101370), (775, 92214), (846, 84475), (930, 76845), (981, 72850), (1090, 65565), (1175, 60822), (1395, 51230), (1410, 50685), (1457, 49050), (1550, 46107), (1635, 43710), (1962, 36425), (2115, 33790), (2325, 30738), (2350, 30411), (2725, 26226), (2790, 25615), (2914, 24525), (3270, 21855), (3379, 21150), (3525, 20274), (4230, 16895), (4371, 16350), (4650, 15369), (4905, 14570), (5123, 13950), (5450, 13113), (6758, 10575), (6975, 10246), (7050, 10137), (7285, 9810), (8175, 8742)]