987400680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1453}}^1$

素因数の和:2283

約数の個数: 128

約数和(自身を含む): 3391891200

約数和(自身を除く): 2404490520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 809, 840, 1453, 1618, 2427, 2906, 3236, 4045, 4359, 4854, 5663, 5812, 6472, 7265, 8090, 8718, 9708, 10171, 11326, 11624, 12135, 14530, 16180, 16989, 17436, 19416, 20342, 21795, 22652, 24270, 28315, 29060, 30513, 32360, 33978, 34872, 40684, 43590, 45304, 48540, 50855, 56630, 58120, 61026, 67956, 81368, 84945, 87180, 97080, 101710, 113260, 122052, 135912, 152565, 169890, 174360, 203420, 226520, 244104, 305130, 339780, 406840, 610260, 679560, 1175477, 1220520, 2350954, 3526431, 4701908, 5877385, 7052862, 8228339, 9403816, 11754770, 14105724, 16456678, 17632155, 23509540, 24685017, 28211448, 32913356, 35264310, 41141695, 47019080, 49370034, 65826712, 70528620, 82283390, 98740068, 123425085, 141057240, 164566780, 197480136, 246850170, 329133560, 493700340, 987400680]

約数ペア:

[(1, 987400680), (2, 493700340), (3, 329133560), (4, 246850170), (5, 197480136), (6, 164566780), (7, 141057240), (8, 123425085), (10, 98740068), (12, 82283390), (14, 70528620), (15, 65826712), (20, 49370034), (21, 47019080), (24, 41141695), (28, 35264310), (30, 32913356), (35, 28211448), (40, 24685017), (42, 23509540), (56, 17632155), (60, 16456678), (70, 14105724), (84, 11754770), (105, 9403816), (120, 8228339), (140, 7052862), (168, 5877385), (210, 4701908), (280, 3526431), (420, 2350954), (809, 1220520), (840, 1175477), (1453, 679560), (1618, 610260), (2427, 406840), (2906, 339780), (3236, 305130), (4045, 244104), (4359, 226520), (4854, 203420), (5663, 174360), (5812, 169890), (6472, 152565), (7265, 135912), (8090, 122052), (8718, 113260), (9708, 101710), (10171, 97080), (11326, 87180), (11624, 84945), (12135, 81368), (14530, 67956), (16180, 61026), (16989, 58120), (17436, 56630), (19416, 50855), (20342, 48540), (21795, 45304), (22652, 43590), (24270, 40684), (28315, 34872), (29060, 33978), (30513, 32360)]