345641240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 935608320

約数和(自身を除く): 589967080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 191, 230, 280, 281, 322, 382, 460, 562, 644, 764, 805, 920, 955, 1124, 1288, 1337, 1405, 1528, 1610, 1910, 1967, 2248, 2674, 2810, 3220, 3820, 3934, 4393, 5348, 5620, 6440, 6463, 6685, 7640, 7868, 8786, 9835, 10696, 11240, 12926, 13370, 15736, 17572, 19670, 21965, 25852, 26740, 30751, 32315, 35144, 39340, 43930, 45241, 51704, 53480, 53671, 61502, 64630, 78680, 87860, 90482, 107342, 123004, 129260, 153755, 175720, 180964, 214684, 226205, 246008, 258520, 268355, 307510, 361928, 375697, 429368, 452410, 536710, 615020, 751394, 904820, 1073420, 1230040, 1234433, 1502788, 1809640, 1878485, 2146840, 2468866, 3005576, 3756970, 4937732, 6172165, 7513940, 8641031, 9875464, 12344330, 15027880, 17282062, 24688660, 34564124, 43205155, 49377320, 69128248, 86410310, 172820620, 345641240]

約数ペア:

[(1, 345641240), (2, 172820620), (4, 86410310), (5, 69128248), (7, 49377320), (8, 43205155), (10, 34564124), (14, 24688660), (20, 17282062), (23, 15027880), (28, 12344330), (35, 9875464), (40, 8641031), (46, 7513940), (56, 6172165), (70, 4937732), (92, 3756970), (115, 3005576), (140, 2468866), (161, 2146840), (184, 1878485), (191, 1809640), (230, 1502788), (280, 1234433), (281, 1230040), (322, 1073420), (382, 904820), (460, 751394), (562, 615020), (644, 536710), (764, 452410), (805, 429368), (920, 375697), (955, 361928), (1124, 307510), (1288, 268355), (1337, 258520), (1405, 246008), (1528, 226205), (1610, 214684), (1910, 180964), (1967, 175720), (2248, 153755), (2674, 129260), (2810, 123004), (3220, 107342), (3820, 90482), (3934, 87860), (4393, 78680), (5348, 64630), (5620, 61502), (6440, 53671), (6463, 53480), (6685, 51704), (7640, 45241), (7868, 43930), (8786, 39340), (9835, 35144), (10696, 32315), (11240, 30751), (12926, 26740), (13370, 25852), (15736, 21965), (17572, 19670)]