26721660

素因数分解:

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

素因数の和:236

約数の個数: 144

約数和(自身を含む): 89056800

約数和(自身を除く): 62335140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 149, 183, 196, 210, 244, 245, 294, 298, 305, 366, 420, 427, 447, 490, 588, 596, 610, 732, 735, 745, 854, 894, 915, 980, 1043, 1220, 1281, 1470, 1490, 1708, 1788, 1830, 2086, 2135, 2235, 2562, 2940, 2980, 2989, 3129, 3660, 4172, 4270, 4470, 5124, 5215, 5978, 6258, 6405, 7301, 8540, 8940, 8967, 9089, 10430, 11956, 12516, 12810, 14602, 14945, 15645, 17934, 18178, 20860, 21903, 25620, 27267, 29204, 29890, 31290, 35868, 36356, 36505, 43806, 44835, 45445, 54534, 59780, 62580, 63623, 73010, 87612, 89670, 90890, 109068, 109515, 127246, 136335, 146020, 179340, 181780, 190869, 219030, 254492, 272670, 318115, 381738, 438060, 445361, 545340, 636230, 763476, 890722, 954345, 1272460, 1336083, 1781444, 1908690, 2226805, 2672166, 3817380, 4453610, 5344332, 6680415, 8907220, 13360830, 26721660]

約数ペア:

[(1, 26721660), (2, 13360830), (3, 8907220), (4, 6680415), (5, 5344332), (6, 4453610), (7, 3817380), (10, 2672166), (12, 2226805), (14, 1908690), (15, 1781444), (20, 1336083), (21, 1272460), (28, 954345), (30, 890722), (35, 763476), (42, 636230), (49, 545340), (60, 445361), (61, 438060), (70, 381738), (84, 318115), (98, 272670), (105, 254492), (122, 219030), (140, 190869), (147, 181780), (149, 179340), (183, 146020), (196, 136335), (210, 127246), (244, 109515), (245, 109068), (294, 90890), (298, 89670), (305, 87612), (366, 73010), (420, 63623), (427, 62580), (447, 59780), (490, 54534), (588, 45445), (596, 44835), (610, 43806), (732, 36505), (735, 36356), (745, 35868), (854, 31290), (894, 29890), (915, 29204), (980, 27267), (1043, 25620), (1220, 21903), (1281, 20860), (1470, 18178), (1490, 17934), (1708, 15645), (1788, 14945), (1830, 14602), (2086, 12810), (2135, 12516), (2235, 11956), (2562, 10430), (2940, 9089), (2980, 8967), (2989, 8940), (3129, 8540), (3660, 7301), (4172, 6405), (4270, 6258), (4470, 5978), (5124, 5215)]