738681720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1087}}^1$

素因数の和:1917

約数の個数: 128

約数和(自身を含む): 2538086400

約数和(自身を除く): 1799404680

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, 1087, 1618, 2174, 2427, 3236, 3261, 4045, 4348, 4854, 5435, 5663, 6472, 6522, 7609, 8090, 8696, 9708, 10870, 11326, 12135, 13044, 15218, 16180, 16305, 16989, 19416, 21740, 22652, 22827, 24270, 26088, 28315, 30436, 32360, 32610, 33978, 38045, 43480, 45304, 45654, 48540, 56630, 60872, 65220, 67956, 76090, 84945, 91308, 97080, 113260, 114135, 130440, 135912, 152180, 169890, 182616, 226520, 228270, 304360, 339780, 456540, 679560, 879383, 913080, 1758766, 2638149, 3517532, 4396915, 5276298, 6155681, 7035064, 8793830, 10552596, 12311362, 13190745, 17587660, 18467043, 21105192, 24622724, 26381490, 30778405, 35175320, 36934086, 49245448, 52762980, 61556810, 73868172, 92335215, 105525960, 123113620, 147736344, 184670430, 246227240, 369340860, 738681720]

約数ペア:

[(1, 738681720), (2, 369340860), (3, 246227240), (4, 184670430), (5, 147736344), (6, 123113620), (7, 105525960), (8, 92335215), (10, 73868172), (12, 61556810), (14, 52762980), (15, 49245448), (20, 36934086), (21, 35175320), (24, 30778405), (28, 26381490), (30, 24622724), (35, 21105192), (40, 18467043), (42, 17587660), (56, 13190745), (60, 12311362), (70, 10552596), (84, 8793830), (105, 7035064), (120, 6155681), (140, 5276298), (168, 4396915), (210, 3517532), (280, 2638149), (420, 1758766), (809, 913080), (840, 879383), (1087, 679560), (1618, 456540), (2174, 339780), (2427, 304360), (3236, 228270), (3261, 226520), (4045, 182616), (4348, 169890), (4854, 152180), (5435, 135912), (5663, 130440), (6472, 114135), (6522, 113260), (7609, 97080), (8090, 91308), (8696, 84945), (9708, 76090), (10870, 67956), (11326, 65220), (12135, 60872), (13044, 56630), (15218, 48540), (16180, 45654), (16305, 45304), (16989, 43480), (19416, 38045), (21740, 33978), (22652, 32610), (22827, 32360), (24270, 30436), (26088, 28315)]