221390160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 712454400

約数和(自身を除く): 491064240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 149, 151, 164, 205, 240, 246, 298, 302, 328, 410, 447, 453, 492, 596, 604, 615, 656, 745, 755, 820, 894, 906, 984, 1192, 1208, 1230, 1490, 1510, 1640, 1788, 1812, 1968, 2235, 2265, 2384, 2416, 2460, 2980, 3020, 3280, 3576, 3624, 4470, 4530, 4920, 5960, 6040, 6109, 6191, 7152, 7248, 8940, 9060, 9840, 11920, 12080, 12218, 12382, 17880, 18120, 18327, 18573, 22499, 24436, 24764, 30545, 30955, 35760, 36240, 36654, 37146, 44998, 48872, 49528, 61090, 61910, 67497, 73308, 74292, 89996, 91635, 92865, 97744, 99056, 112495, 122180, 123820, 134994, 146616, 148584, 179992, 183270, 185730, 224990, 244360, 247640, 269988, 293232, 297168, 337485, 359984, 366540, 371460, 449980, 488720, 495280, 539976, 674970, 733080, 742920, 899960, 922459, 1079952, 1349940, 1466160, 1485840, 1799920, 1844918, 2699880, 2767377, 3689836, 4612295, 5399760, 5534754, 7379672, 9224590, 11069508, 13836885, 14759344, 18449180, 22139016, 27673770, 36898360, 44278032, 55347540, 73796720, 110695080, 221390160]

約数ペア:

[(1, 221390160), (2, 110695080), (3, 73796720), (4, 55347540), (5, 44278032), (6, 36898360), (8, 27673770), (10, 22139016), (12, 18449180), (15, 14759344), (16, 13836885), (20, 11069508), (24, 9224590), (30, 7379672), (40, 5534754), (41, 5399760), (48, 4612295), (60, 3689836), (80, 2767377), (82, 2699880), (120, 1844918), (123, 1799920), (149, 1485840), (151, 1466160), (164, 1349940), (205, 1079952), (240, 922459), (246, 899960), (298, 742920), (302, 733080), (328, 674970), (410, 539976), (447, 495280), (453, 488720), (492, 449980), (596, 371460), (604, 366540), (615, 359984), (656, 337485), (745, 297168), (755, 293232), (820, 269988), (894, 247640), (906, 244360), (984, 224990), (1192, 185730), (1208, 183270), (1230, 179992), (1490, 148584), (1510, 146616), (1640, 134994), (1788, 123820), (1812, 122180), (1968, 112495), (2235, 99056), (2265, 97744), (2384, 92865), (2416, 91635), (2460, 89996), (2980, 74292), (3020, 73308), (3280, 67497), (3576, 61910), (3624, 61090), (4470, 49528), (4530, 48872), (4920, 44998), (5960, 37146), (6040, 36654), (6109, 36240), (6191, 35760), (7152, 30955), (7248, 30545), (8940, 24764), (9060, 24436), (9840, 22499), (11920, 18573), (12080, 18327), (12218, 18120), (12382, 17880)]