201857640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 622080000

約数和(自身を除く): 420222360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 107, 120, 158, 199, 214, 237, 316, 321, 395, 398, 428, 474, 535, 597, 632, 642, 790, 796, 856, 948, 995, 1070, 1185, 1194, 1284, 1580, 1592, 1605, 1896, 1990, 2140, 2370, 2388, 2568, 2985, 3160, 3210, 3980, 4280, 4740, 4776, 5970, 6420, 7960, 8453, 9480, 11940, 12840, 15721, 16906, 21293, 23880, 25359, 31442, 33812, 42265, 42586, 47163, 50718, 62884, 63879, 67624, 78605, 84530, 85172, 94326, 101436, 106465, 125768, 126795, 127758, 157210, 169060, 170344, 188652, 202872, 212930, 235815, 253590, 255516, 314420, 319395, 338120, 377304, 425860, 471630, 507180, 511032, 628840, 638790, 851720, 943260, 1014360, 1277580, 1682147, 1886520, 2555160, 3364294, 5046441, 6728588, 8410735, 10092882, 13457176, 16821470, 20185764, 25232205, 33642940, 40371528, 50464410, 67285880, 100928820, 201857640]

約数ペア:

[(1, 201857640), (2, 100928820), (3, 67285880), (4, 50464410), (5, 40371528), (6, 33642940), (8, 25232205), (10, 20185764), (12, 16821470), (15, 13457176), (20, 10092882), (24, 8410735), (30, 6728588), (40, 5046441), (60, 3364294), (79, 2555160), (107, 1886520), (120, 1682147), (158, 1277580), (199, 1014360), (214, 943260), (237, 851720), (316, 638790), (321, 628840), (395, 511032), (398, 507180), (428, 471630), (474, 425860), (535, 377304), (597, 338120), (632, 319395), (642, 314420), (790, 255516), (796, 253590), (856, 235815), (948, 212930), (995, 202872), (1070, 188652), (1185, 170344), (1194, 169060), (1284, 157210), (1580, 127758), (1592, 126795), (1605, 125768), (1896, 106465), (1990, 101436), (2140, 94326), (2370, 85172), (2388, 84530), (2568, 78605), (2985, 67624), (3160, 63879), (3210, 62884), (3980, 50718), (4280, 47163), (4740, 42586), (4776, 42265), (5970, 33812), (6420, 31442), (7960, 25359), (8453, 23880), (9480, 21293), (11940, 16906), (12840, 15721)]