161663280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2621}}^1$

素因数の和:2894

約数の個数: 80

約数和(自身を含む): 503298144

約数和(自身を除く): 341634864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 2621, 3084, 3855, 4112, 5140, 5242, 6168, 7710, 7863, 10280, 10484, 12336, 13105, 15420, 15726, 20560, 20968, 26210, 30840, 31452, 39315, 41936, 52420, 61680, 62904, 78630, 104840, 125808, 157260, 209680, 314520, 629040, 673597, 1347194, 2020791, 2694388, 3367985, 4041582, 5388776, 6735970, 8083164, 10103955, 10777552, 13471940, 16166328, 20207910, 26943880, 32332656, 40415820, 53887760, 80831640, 161663280]

約数ペア:

[(1, 161663280), (2, 80831640), (3, 53887760), (4, 40415820), (5, 32332656), (6, 26943880), (8, 20207910), (10, 16166328), (12, 13471940), (15, 10777552), (16, 10103955), (20, 8083164), (24, 6735970), (30, 5388776), (40, 4041582), (48, 3367985), (60, 2694388), (80, 2020791), (120, 1347194), (240, 673597), (257, 629040), (514, 314520), (771, 209680), (1028, 157260), (1285, 125808), (1542, 104840), (2056, 78630), (2570, 62904), (2621, 61680), (3084, 52420), (3855, 41936), (4112, 39315), (5140, 31452), (5242, 30840), (6168, 26210), (7710, 20968), (7863, 20560), (10280, 15726), (10484, 15420), (12336, 13105)]