218362920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 695312640

約数和(自身を除く): 476949720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 488, 552, 610, 690, 732, 915, 920, 1220, 1297, 1380, 1403, 1464, 1830, 2440, 2594, 2760, 2806, 3660, 3891, 4209, 5188, 5612, 6485, 7015, 7320, 7782, 8418, 10376, 11224, 12970, 14030, 15564, 16836, 19455, 21045, 25940, 28060, 29831, 31128, 33672, 38910, 42090, 51880, 56120, 59662, 77820, 79117, 84180, 89493, 119324, 149155, 155640, 158234, 168360, 178986, 237351, 238648, 298310, 316468, 357972, 395585, 447465, 474702, 596620, 632936, 715944, 791170, 894930, 949404, 1186755, 1193240, 1582340, 1789860, 1819691, 1898808, 2373510, 3164680, 3579720, 3639382, 4747020, 5459073, 7278764, 9098455, 9494040, 10918146, 14557528, 18196910, 21836292, 27295365, 36393820, 43672584, 54590730, 72787640, 109181460, 218362920]

約数ペア:

[(1, 218362920), (2, 109181460), (3, 72787640), (4, 54590730), (5, 43672584), (6, 36393820), (8, 27295365), (10, 21836292), (12, 18196910), (15, 14557528), (20, 10918146), (23, 9494040), (24, 9098455), (30, 7278764), (40, 5459073), (46, 4747020), (60, 3639382), (61, 3579720), (69, 3164680), (92, 2373510), (115, 1898808), (120, 1819691), (122, 1789860), (138, 1582340), (183, 1193240), (184, 1186755), (230, 949404), (244, 894930), (276, 791170), (305, 715944), (345, 632936), (366, 596620), (460, 474702), (488, 447465), (552, 395585), (610, 357972), (690, 316468), (732, 298310), (915, 238648), (920, 237351), (1220, 178986), (1297, 168360), (1380, 158234), (1403, 155640), (1464, 149155), (1830, 119324), (2440, 89493), (2594, 84180), (2760, 79117), (2806, 77820), (3660, 59662), (3891, 56120), (4209, 51880), (5188, 42090), (5612, 38910), (6485, 33672), (7015, 31128), (7320, 29831), (7782, 28060), (8418, 25940), (10376, 21045), (11224, 19455), (12970, 16836), (14030, 15564)]