839561640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{919}}^1$

素因数の和:1287

約数の個数: 128

約数和(自身を含む): 2639001600

約数和(自身を除く): 1799439960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 331, 345, 460, 552, 662, 690, 919, 920, 993, 1324, 1380, 1655, 1838, 1986, 2648, 2757, 2760, 3310, 3676, 3972, 4595, 4965, 5514, 6620, 7352, 7613, 7944, 9190, 9930, 11028, 13240, 13785, 15226, 18380, 19860, 21137, 22056, 22839, 27570, 30452, 36760, 38065, 39720, 42274, 45678, 55140, 60904, 63411, 76130, 84548, 91356, 105685, 110280, 114195, 126822, 152260, 169096, 182712, 211370, 228390, 253644, 304189, 304520, 317055, 422740, 456780, 507288, 608378, 634110, 845480, 912567, 913560, 1216756, 1268220, 1520945, 1825134, 2433512, 2536440, 3041890, 3650268, 4562835, 6083780, 6996347, 7300536, 9125670, 12167560, 13992694, 18251340, 20989041, 27985388, 34981735, 36502680, 41978082, 55970776, 69963470, 83956164, 104945205, 139926940, 167912328, 209890410, 279853880, 419780820, 839561640]

約数ペア:

[(1, 839561640), (2, 419780820), (3, 279853880), (4, 209890410), (5, 167912328), (6, 139926940), (8, 104945205), (10, 83956164), (12, 69963470), (15, 55970776), (20, 41978082), (23, 36502680), (24, 34981735), (30, 27985388), (40, 20989041), (46, 18251340), (60, 13992694), (69, 12167560), (92, 9125670), (115, 7300536), (120, 6996347), (138, 6083780), (184, 4562835), (230, 3650268), (276, 3041890), (331, 2536440), (345, 2433512), (460, 1825134), (552, 1520945), (662, 1268220), (690, 1216756), (919, 913560), (920, 912567), (993, 845480), (1324, 634110), (1380, 608378), (1655, 507288), (1838, 456780), (1986, 422740), (2648, 317055), (2757, 304520), (2760, 304189), (3310, 253644), (3676, 228390), (3972, 211370), (4595, 182712), (4965, 169096), (5514, 152260), (6620, 126822), (7352, 114195), (7613, 110280), (7944, 105685), (9190, 91356), (9930, 84548), (11028, 76130), (13240, 63411), (13785, 60904), (15226, 55140), (18380, 45678), (19860, 42274), (21137, 39720), (22056, 38065), (22839, 36760), (27570, 30452)]