6861960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 26009100

約数和(自身を除く): 19147140

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 389, 392, 420, 441, 490, 504, 588, 630, 735, 778, 840, 882, 980, 1167, 1176, 1260, 1470, 1556, 1764, 1945, 1960, 2205, 2334, 2520, 2723, 2940, 3112, 3501, 3528, 3890, 4410, 4668, 5446, 5835, 5880, 7002, 7780, 8169, 8820, 9336, 10892, 11670, 13615, 14004, 15560, 16338, 17505, 17640, 19061, 21784, 23340, 24507, 27230, 28008, 32676, 35010, 38122, 40845, 46680, 49014, 54460, 57183, 65352, 70020, 76244, 81690, 95305, 98028, 108920, 114366, 122535, 140040, 152488, 163380, 171549, 190610, 196056, 228732, 245070, 285915, 326760, 343098, 381220, 457464, 490140, 571830, 686196, 762440, 857745, 980280, 1143660, 1372392, 1715490, 2287320, 3430980, 6861960]

約数ペア:

[(1, 6861960), (2, 3430980), (3, 2287320), (4, 1715490), (5, 1372392), (6, 1143660), (7, 980280), (8, 857745), (9, 762440), (10, 686196), (12, 571830), (14, 490140), (15, 457464), (18, 381220), (20, 343098), (21, 326760), (24, 285915), (28, 245070), (30, 228732), (35, 196056), (36, 190610), (40, 171549), (42, 163380), (45, 152488), (49, 140040), (56, 122535), (60, 114366), (63, 108920), (70, 98028), (72, 95305), (84, 81690), (90, 76244), (98, 70020), (105, 65352), (120, 57183), (126, 54460), (140, 49014), (147, 46680), (168, 40845), (180, 38122), (196, 35010), (210, 32676), (245, 28008), (252, 27230), (280, 24507), (294, 23340), (315, 21784), (360, 19061), (389, 17640), (392, 17505), (420, 16338), (441, 15560), (490, 14004), (504, 13615), (588, 11670), (630, 10892), (735, 9336), (778, 8820), (840, 8169), (882, 7780), (980, 7002), (1167, 5880), (1176, 5835), (1260, 5446), (1470, 4668), (1556, 4410), (1764, 3890), (1945, 3528), (1960, 3501), (2205, 3112), (2334, 2940), (2520, 2723)]