31508725280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{18661}}^1$

素因数の和:18910

約数の個数: 96

約数和(自身を含む): 76101097968

約数和(自身を除く): 44592372688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 173, 244, 305, 346, 488, 610, 692, 865, 976, 1220, 1384, 1730, 1952, 2440, 2768, 3460, 4880, 5536, 6920, 9760, 10553, 13840, 18661, 21106, 27680, 37322, 42212, 52765, 74644, 84424, 93305, 105530, 149288, 168848, 186610, 211060, 298576, 337696, 373220, 422120, 597152, 746440, 844240, 1138321, 1492880, 1688480, 2276642, 2985760, 3228353, 4553284, 5691605, 6456706, 9106568, 11383210, 12913412, 16141765, 18213136, 22766420, 25826824, 32283530, 36426272, 45532840, 51653648, 64567060, 91065680, 103307296, 129134120, 182131360, 196929533, 258268240, 393859066, 516536480, 787718132, 984647665, 1575436264, 1969295330, 3150872528, 3938590660, 6301745056, 7877181320, 15754362640, 31508725280]

約数ペア:

[(1, 31508725280), (2, 15754362640), (4, 7877181320), (5, 6301745056), (8, 3938590660), (10, 3150872528), (16, 1969295330), (20, 1575436264), (32, 984647665), (40, 787718132), (61, 516536480), (80, 393859066), (122, 258268240), (160, 196929533), (173, 182131360), (244, 129134120), (305, 103307296), (346, 91065680), (488, 64567060), (610, 51653648), (692, 45532840), (865, 36426272), (976, 32283530), (1220, 25826824), (1384, 22766420), (1730, 18213136), (1952, 16141765), (2440, 12913412), (2768, 11383210), (3460, 9106568), (4880, 6456706), (5536, 5691605), (6920, 4553284), (9760, 3228353), (10553, 2985760), (13840, 2276642), (18661, 1688480), (21106, 1492880), (27680, 1138321), (37322, 844240), (42212, 746440), (52765, 597152), (74644, 422120), (84424, 373220), (93305, 337696), (105530, 298576), (149288, 211060), (168848, 186610)]