409926720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{61001}}^1$

素因数の和:61028

約数の個数: 112

約数和(自身を含む): 1487472768

約数和(自身を除く): 1077546048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 61001, 122002, 183003, 244004, 305005, 366006, 427007, 488008, 610010, 732012, 854014, 915015, 976016, 1220020, 1281021, 1464024, 1708028, 1830030, 1952032, 2135035, 2440040, 2562042, 2928048, 3416056, 3660060, 3904064, 4270070, 4880080, 5124084, 5856096, 6405105, 6832112, 7320120, 8540140, 9760160, 10248168, 11712192, 12810210, 13664224, 14640240, 17080280, 19520320, 20496336, 25620420, 27328448, 29280480, 34160560, 40992672, 51240840, 58560960, 68321120, 81985344, 102481680, 136642240, 204963360, 409926720]

約数ペア:

[(1, 409926720), (2, 204963360), (3, 136642240), (4, 102481680), (5, 81985344), (6, 68321120), (7, 58560960), (8, 51240840), (10, 40992672), (12, 34160560), (14, 29280480), (15, 27328448), (16, 25620420), (20, 20496336), (21, 19520320), (24, 17080280), (28, 14640240), (30, 13664224), (32, 12810210), (35, 11712192), (40, 10248168), (42, 9760160), (48, 8540140), (56, 7320120), (60, 6832112), (64, 6405105), (70, 5856096), (80, 5124084), (84, 4880080), (96, 4270070), (105, 3904064), (112, 3660060), (120, 3416056), (140, 2928048), (160, 2562042), (168, 2440040), (192, 2135035), (210, 1952032), (224, 1830030), (240, 1708028), (280, 1464024), (320, 1281021), (336, 1220020), (420, 976016), (448, 915015), (480, 854014), (560, 732012), (672, 610010), (840, 488008), (960, 427007), (1120, 366006), (1344, 305005), (1680, 244004), (2240, 183003), (3360, 122002), (6720, 61001)]