121715320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 285055200

約数和(自身を除く): 163339880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 317, 331, 580, 634, 662, 1160, 1268, 1324, 1585, 1655, 2536, 2648, 3170, 3310, 6340, 6620, 9193, 9599, 12680, 13240, 18386, 19198, 36772, 38396, 45965, 47995, 73544, 76792, 91930, 95990, 104927, 183860, 191980, 209854, 367720, 383960, 419708, 524635, 839416, 1049270, 2098540, 3042883, 4197080, 6085766, 12171532, 15214415, 24343064, 30428830, 60857660, 121715320]

約数ペア:

[(1, 121715320), (2, 60857660), (4, 30428830), (5, 24343064), (8, 15214415), (10, 12171532), (20, 6085766), (29, 4197080), (40, 3042883), (58, 2098540), (116, 1049270), (145, 839416), (232, 524635), (290, 419708), (317, 383960), (331, 367720), (580, 209854), (634, 191980), (662, 183860), (1160, 104927), (1268, 95990), (1324, 91930), (1585, 76792), (1655, 73544), (2536, 47995), (2648, 45965), (3170, 38396), (3310, 36772), (6340, 19198), (6620, 18386), (9193, 13240), (9599, 12680)]