151920580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 402192000

約数和(自身を除く): 250271420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 49, 70, 76, 82, 95, 98, 133, 140, 164, 190, 196, 199, 205, 245, 266, 287, 380, 398, 410, 490, 532, 574, 665, 779, 796, 820, 931, 980, 995, 1148, 1330, 1393, 1435, 1558, 1862, 1990, 2009, 2660, 2786, 2870, 3116, 3724, 3781, 3895, 3980, 4018, 4655, 5453, 5572, 5740, 6965, 7562, 7790, 8036, 8159, 9310, 9751, 10045, 10906, 13930, 15124, 15580, 16318, 18620, 18905, 19502, 20090, 21812, 26467, 27265, 27860, 32636, 37810, 38171, 39004, 40180, 40795, 48755, 52934, 54530, 57113, 75620, 76342, 81590, 97510, 105868, 109060, 114226, 132335, 152684, 155021, 163180, 185269, 190855, 195020, 228452, 264670, 285565, 310042, 370538, 381710, 399791, 529340, 571130, 620084, 741076, 763420, 775105, 799582, 926345, 1085147, 1142260, 1550210, 1599164, 1852690, 1998955, 2170294, 3100420, 3705380, 3997910, 4340588, 5425735, 7596029, 7995820, 10851470, 15192058, 21702940, 30384116, 37980145, 75960290, 151920580]

約数ペア:

[(1, 151920580), (2, 75960290), (4, 37980145), (5, 30384116), (7, 21702940), (10, 15192058), (14, 10851470), (19, 7995820), (20, 7596029), (28, 5425735), (35, 4340588), (38, 3997910), (41, 3705380), (49, 3100420), (70, 2170294), (76, 1998955), (82, 1852690), (95, 1599164), (98, 1550210), (133, 1142260), (140, 1085147), (164, 926345), (190, 799582), (196, 775105), (199, 763420), (205, 741076), (245, 620084), (266, 571130), (287, 529340), (380, 399791), (398, 381710), (410, 370538), (490, 310042), (532, 285565), (574, 264670), (665, 228452), (779, 195020), (796, 190855), (820, 185269), (931, 163180), (980, 155021), (995, 152684), (1148, 132335), (1330, 114226), (1393, 109060), (1435, 105868), (1558, 97510), (1862, 81590), (1990, 76342), (2009, 75620), (2660, 57113), (2786, 54530), (2870, 52934), (3116, 48755), (3724, 40795), (3781, 40180), (3895, 39004), (3980, 38171), (4018, 37810), (4655, 32636), (5453, 27860), (5572, 27265), (5740, 26467), (6965, 21812), (7562, 20090), (7790, 19502), (8036, 18905), (8159, 18620), (9310, 16318), (9751, 15580), (10045, 15124), (10906, 13930)]