281578080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:669

約数の個数: 192

約数和(自身を含む): 1021483008

約数和(自身を除く): 739904928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 181, 210, 224, 240, 280, 336, 362, 420, 463, 480, 543, 560, 672, 724, 840, 905, 926, 1086, 1120, 1267, 1389, 1448, 1680, 1810, 1852, 2172, 2315, 2534, 2715, 2778, 2896, 3241, 3360, 3620, 3704, 3801, 4344, 4630, 5068, 5430, 5556, 5792, 6335, 6482, 6945, 7240, 7408, 7602, 8688, 9260, 9723, 10136, 10860, 11112, 12670, 12964, 13890, 14480, 14816, 15204, 16205, 17376, 18520, 19005, 19446, 20272, 21720, 22224, 25340, 25928, 27780, 28960, 30408, 32410, 37040, 38010, 38892, 40544, 43440, 44448, 48615, 50680, 51856, 55560, 60816, 64820, 74080, 76020, 77784, 83803, 86880, 97230, 101360, 103712, 111120, 121632, 129640, 152040, 155568, 167606, 194460, 202720, 222240, 251409, 259280, 304080, 311136, 335212, 388920, 419015, 502818, 518560, 586621, 608160, 670424, 777840, 838030, 1005636, 1173242, 1257045, 1340848, 1555680, 1676060, 1759863, 2011272, 2346484, 2514090, 2681696, 2933105, 3352120, 3519726, 4022544, 4692968, 5028180, 5866210, 6704240, 7039452, 8045088, 8799315, 9385936, 10056360, 11732420, 13408480, 14078904, 17598630, 18771872, 20112720, 23464840, 28157808, 35197260, 40225440, 46929680, 56315616, 70394520, 93859360, 140789040, 281578080]

約数ペア:

[(1, 281578080), (2, 140789040), (3, 93859360), (4, 70394520), (5, 56315616), (6, 46929680), (7, 40225440), (8, 35197260), (10, 28157808), (12, 23464840), (14, 20112720), (15, 18771872), (16, 17598630), (20, 14078904), (21, 13408480), (24, 11732420), (28, 10056360), (30, 9385936), (32, 8799315), (35, 8045088), (40, 7039452), (42, 6704240), (48, 5866210), (56, 5028180), (60, 4692968), (70, 4022544), (80, 3519726), (84, 3352120), (96, 2933105), (105, 2681696), (112, 2514090), (120, 2346484), (140, 2011272), (160, 1759863), (168, 1676060), (181, 1555680), (210, 1340848), (224, 1257045), (240, 1173242), (280, 1005636), (336, 838030), (362, 777840), (420, 670424), (463, 608160), (480, 586621), (543, 518560), (560, 502818), (672, 419015), (724, 388920), (840, 335212), (905, 311136), (926, 304080), (1086, 259280), (1120, 251409), (1267, 222240), (1389, 202720), (1448, 194460), (1680, 167606), (1810, 155568), (1852, 152040), (2172, 129640), (2315, 121632), (2534, 111120), (2715, 103712), (2778, 101360), (2896, 97230), (3241, 86880), (3360, 83803), (3620, 77784), (3704, 76020), (3801, 74080), (4344, 64820), (4630, 60816), (5068, 55560), (5430, 51856), (5556, 50680), (5792, 48615), (6335, 44448), (6482, 43440), (6945, 40544), (7240, 38892), (7408, 38010), (7602, 37040), (8688, 32410), (9260, 30408), (9723, 28960), (10136, 27780), (10860, 25928), (11112, 25340), (12670, 22224), (12964, 21720), (13890, 20272), (14480, 19446), (14816, 19005), (15204, 18520), (16205, 17376)]