207783080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 509967360

約数和(自身を除く): 302184280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 61, 62, 67, 82, 122, 124, 134, 155, 164, 205, 244, 248, 268, 305, 310, 328, 335, 410, 488, 536, 610, 620, 670, 820, 1220, 1240, 1271, 1340, 1640, 1891, 2077, 2440, 2501, 2542, 2680, 2747, 3782, 4087, 4154, 5002, 5084, 5494, 6355, 7564, 8174, 8308, 9455, 10004, 10168, 10385, 10988, 12505, 12710, 13735, 15128, 16348, 16616, 18910, 20008, 20435, 20770, 21976, 25010, 25420, 27470, 32696, 37820, 40870, 41540, 50020, 50840, 54940, 75640, 77531, 81740, 83080, 85157, 100040, 109880, 126697, 155062, 163480, 167567, 170314, 253394, 310124, 335134, 340628, 387655, 425785, 506788, 620248, 633485, 670268, 681256, 775310, 837835, 851570, 1013576, 1266970, 1340536, 1550620, 1675670, 1703140, 2533940, 3101240, 3351340, 3406280, 5067880, 5194577, 6702680, 10389154, 20778308, 25972885, 41556616, 51945770, 103891540, 207783080]

約数ペア:

[(1, 207783080), (2, 103891540), (4, 51945770), (5, 41556616), (8, 25972885), (10, 20778308), (20, 10389154), (31, 6702680), (40, 5194577), (41, 5067880), (61, 3406280), (62, 3351340), (67, 3101240), (82, 2533940), (122, 1703140), (124, 1675670), (134, 1550620), (155, 1340536), (164, 1266970), (205, 1013576), (244, 851570), (248, 837835), (268, 775310), (305, 681256), (310, 670268), (328, 633485), (335, 620248), (410, 506788), (488, 425785), (536, 387655), (610, 340628), (620, 335134), (670, 310124), (820, 253394), (1220, 170314), (1240, 167567), (1271, 163480), (1340, 155062), (1640, 126697), (1891, 109880), (2077, 100040), (2440, 85157), (2501, 83080), (2542, 81740), (2680, 77531), (2747, 75640), (3782, 54940), (4087, 50840), (4154, 50020), (5002, 41540), (5084, 40870), (5494, 37820), (6355, 32696), (7564, 27470), (8174, 25420), (8308, 25010), (9455, 21976), (10004, 20770), (10168, 20435), (10385, 20008), (10988, 18910), (12505, 16616), (12710, 16348), (13735, 15128)]