686658420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{919}}^1$

素因数の和:1534

約数の個数: 144

約数和(自身を含む): 2387024640

約数和(自身を除く): 1700366220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 593, 630, 919, 1186, 1260, 1779, 1838, 2372, 2757, 2965, 3558, 3676, 4151, 4595, 5337, 5514, 5930, 6433, 7116, 8271, 8302, 8895, 9190, 10674, 11028, 11860, 12453, 12866, 13785, 16542, 16604, 17790, 18380, 19299, 20755, 21348, 24906, 25732, 26685, 27570, 32165, 33084, 35580, 37359, 38598, 41355, 41510, 49812, 53370, 55140, 57897, 62265, 64330, 74718, 77196, 82710, 83020, 96495, 106740, 115794, 124530, 128660, 149436, 165420, 186795, 192990, 231588, 249060, 289485, 373590, 385980, 544967, 578970, 747180, 1089934, 1157940, 1634901, 2179868, 2724835, 3269802, 3814769, 4904703, 5449670, 6539604, 7629538, 8174505, 9809406, 10899340, 11444307, 15259076, 16349010, 19073845, 19618812, 22888614, 24523515, 32698020, 34332921, 38147690, 45777228, 49047030, 57221535, 68665842, 76295380, 98094060, 114443070, 137331684, 171664605, 228886140, 343329210, 686658420]

約数ペア:

[(1, 686658420), (2, 343329210), (3, 228886140), (4, 171664605), (5, 137331684), (6, 114443070), (7, 98094060), (9, 76295380), (10, 68665842), (12, 57221535), (14, 49047030), (15, 45777228), (18, 38147690), (20, 34332921), (21, 32698020), (28, 24523515), (30, 22888614), (35, 19618812), (36, 19073845), (42, 16349010), (45, 15259076), (60, 11444307), (63, 10899340), (70, 9809406), (84, 8174505), (90, 7629538), (105, 6539604), (126, 5449670), (140, 4904703), (180, 3814769), (210, 3269802), (252, 2724835), (315, 2179868), (420, 1634901), (593, 1157940), (630, 1089934), (919, 747180), (1186, 578970), (1260, 544967), (1779, 385980), (1838, 373590), (2372, 289485), (2757, 249060), (2965, 231588), (3558, 192990), (3676, 186795), (4151, 165420), (4595, 149436), (5337, 128660), (5514, 124530), (5930, 115794), (6433, 106740), (7116, 96495), (8271, 83020), (8302, 82710), (8895, 77196), (9190, 74718), (10674, 64330), (11028, 62265), (11860, 57897), (12453, 55140), (12866, 53370), (13785, 49812), (16542, 41510), (16604, 41355), (17790, 38598), (18380, 37359), (19299, 35580), (20755, 33084), (21348, 32165), (24906, 27570), (25732, 26685)]