172020105

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 328268160

約数和(自身を除く): 156248055

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 59, 69, 81, 115, 135, 177, 207, 295, 313, 345, 405, 531, 621, 885, 939, 1035, 1357, 1565, 1593, 1863, 2655, 2817, 3105, 4071, 4695, 4779, 6785, 7199, 7965, 8451, 9315, 12213, 14085, 18467, 20355, 21597, 23895, 25353, 35995, 36639, 42255, 55401, 61065, 64791, 92335, 107985, 109917, 126765, 166203, 183195, 194373, 277005, 323955, 424741, 498609, 549585, 583119, 831015, 971865, 1274223, 1495827, 2123705, 2493045, 2915595, 3822669, 6371115, 7479135, 11468007, 19113345, 34404021, 57340035, 172020105]

約数ペア:

[(1, 172020105), (3, 57340035), (5, 34404021), (9, 19113345), (15, 11468007), (23, 7479135), (27, 6371115), (45, 3822669), (59, 2915595), (69, 2493045), (81, 2123705), (115, 1495827), (135, 1274223), (177, 971865), (207, 831015), (295, 583119), (313, 549585), (345, 498609), (405, 424741), (531, 323955), (621, 277005), (885, 194373), (939, 183195), (1035, 166203), (1357, 126765), (1565, 109917), (1593, 107985), (1863, 92335), (2655, 64791), (2817, 61065), (3105, 55401), (4071, 42255), (4695, 36639), (4779, 35995), (6785, 25353), (7199, 23895), (7965, 21597), (8451, 20355), (9315, 18467), (12213, 14085)]