345287960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4340

約数の個数: 64

約数和(自身を含む): 819979200

約数和(自身を除く): 474691240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 3560, 4094, 4217, 8188, 8434, 10235, 16376, 16868, 20470, 21085, 33736, 40940, 42170, 81880, 84340, 96991, 168680, 193982, 375313, 387964, 484955, 750626, 775928, 969910, 1501252, 1876565, 1939820, 3002504, 3753130, 3879640, 7506260, 8632199, 15012520, 17264398, 34528796, 43160995, 69057592, 86321990, 172643980, 345287960]

約数ペア:

[(1, 345287960), (2, 172643980), (4, 86321990), (5, 69057592), (8, 43160995), (10, 34528796), (20, 17264398), (23, 15012520), (40, 8632199), (46, 7506260), (89, 3879640), (92, 3753130), (115, 3002504), (178, 1939820), (184, 1876565), (230, 1501252), (356, 969910), (445, 775928), (460, 750626), (712, 484955), (890, 387964), (920, 375313), (1780, 193982), (2047, 168680), (3560, 96991), (4094, 84340), (4217, 81880), (8188, 42170), (8434, 40940), (10235, 33736), (16376, 21085), (16868, 20470)]