161516790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6983}}^1$

素因数の和:7253

約数の個数: 48

約数和(自身を含む): 421638048

約数和(自身を除く): 260121258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1285, 1542, 2313, 2570, 3855, 4626, 6983, 7710, 11565, 13966, 20949, 23130, 34915, 41898, 62847, 69830, 104745, 125694, 209490, 314235, 628470, 1794631, 3589262, 5383893, 8973155, 10767786, 16151679, 17946310, 26919465, 32303358, 53838930, 80758395, 161516790]

約数ペア:

[(1, 161516790), (2, 80758395), (3, 53838930), (5, 32303358), (6, 26919465), (9, 17946310), (10, 16151679), (15, 10767786), (18, 8973155), (30, 5383893), (45, 3589262), (90, 1794631), (257, 628470), (514, 314235), (771, 209490), (1285, 125694), (1542, 104745), (2313, 69830), (2570, 62847), (3855, 41898), (4626, 34915), (6983, 23130), (7710, 20949), (11565, 13966)]