80164980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 289434600

約数和(自身を除く): 209269620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 149, 180, 183, 196, 210, 244, 245, 252, 294, 298, 305, 315, 366, 420, 427, 441, 447, 490, 549, 588, 596, 610, 630, 732, 735, 745, 854, 882, 894, 915, 980, 1043, 1098, 1220, 1260, 1281, 1341, 1470, 1490, 1708, 1764, 1788, 1830, 2086, 2135, 2196, 2205, 2235, 2562, 2682, 2745, 2940, 2980, 2989, 3129, 3660, 3843, 4172, 4270, 4410, 4470, 5124, 5215, 5364, 5490, 5978, 6258, 6405, 6705, 7301, 7686, 8540, 8820, 8940, 8967, 9089, 9387, 10430, 10980, 11956, 12516, 12810, 13410, 14602, 14945, 15372, 15645, 17934, 18178, 18774, 19215, 20860, 21903, 25620, 26820, 26901, 27267, 29204, 29890, 31290, 35868, 36356, 36505, 37548, 38430, 43806, 44835, 45445, 46935, 53802, 54534, 59780, 62580, 63623, 65709, 73010, 76860, 81801, 87612, 89670, 90890, 93870, 107604, 109068, 109515, 127246, 131418, 134505, 136335, 146020, 163602, 179340, 181780, 187740, 190869, 219030, 254492, 262836, 269010, 272670, 318115, 327204, 328545, 381738, 409005, 438060, 445361, 538020, 545340, 572607, 636230, 657090, 763476, 818010, 890722, 954345, 1145214, 1272460, 1314180, 1336083, 1636020, 1781444, 1908690, 2226805, 2290428, 2672166, 2863035, 3817380, 4008249, 4453610, 5344332, 5726070, 6680415, 8016498, 8907220, 11452140, 13360830, 16032996, 20041245, 26721660, 40082490, 80164980]

約数ペア:

[(1, 80164980), (2, 40082490), (3, 26721660), (4, 20041245), (5, 16032996), (6, 13360830), (7, 11452140), (9, 8907220), (10, 8016498), (12, 6680415), (14, 5726070), (15, 5344332), (18, 4453610), (20, 4008249), (21, 3817380), (28, 2863035), (30, 2672166), (35, 2290428), (36, 2226805), (42, 1908690), (45, 1781444), (49, 1636020), (60, 1336083), (61, 1314180), (63, 1272460), (70, 1145214), (84, 954345), (90, 890722), (98, 818010), (105, 763476), (122, 657090), (126, 636230), (140, 572607), (147, 545340), (149, 538020), (180, 445361), (183, 438060), (196, 409005), (210, 381738), (244, 328545), (245, 327204), (252, 318115), (294, 272670), (298, 269010), (305, 262836), (315, 254492), (366, 219030), (420, 190869), (427, 187740), (441, 181780), (447, 179340), (490, 163602), (549, 146020), (588, 136335), (596, 134505), (610, 131418), (630, 127246), (732, 109515), (735, 109068), (745, 107604), (854, 93870), (882, 90890), (894, 89670), (915, 87612), (980, 81801), (1043, 76860), (1098, 73010), (1220, 65709), (1260, 63623), (1281, 62580), (1341, 59780), (1470, 54534), (1490, 53802), (1708, 46935), (1764, 45445), (1788, 44835), (1830, 43806), (2086, 38430), (2135, 37548), (2196, 36505), (2205, 36356), (2235, 35868), (2562, 31290), (2682, 29890), (2745, 29204), (2940, 27267), (2980, 26901), (2989, 26820), (3129, 25620), (3660, 21903), (3843, 20860), (4172, 19215), (4270, 18774), (4410, 18178), (4470, 17934), (5124, 15645), (5215, 15372), (5364, 14945), (5490, 14602), (5978, 13410), (6258, 12810), (6405, 12516), (6705, 11956), (7301, 10980), (7686, 10430), (8540, 9387), (8820, 9089), (8940, 8967)]