201489720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 622080000

約数和(自身を除く): 420590280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 149, 177, 191, 236, 295, 298, 354, 382, 447, 472, 573, 590, 596, 708, 745, 764, 885, 894, 955, 1146, 1180, 1192, 1416, 1490, 1528, 1770, 1788, 1910, 2235, 2292, 2360, 2865, 2980, 3540, 3576, 3820, 4470, 4584, 5730, 5960, 7080, 7640, 8791, 8940, 11269, 11460, 17582, 17880, 22538, 22920, 26373, 28459, 33807, 35164, 43955, 45076, 52746, 56345, 56918, 67614, 70328, 85377, 87910, 90152, 105492, 112690, 113836, 131865, 135228, 142295, 169035, 170754, 175820, 210984, 225380, 227672, 263730, 270456, 284590, 338070, 341508, 351640, 426885, 450760, 527460, 569180, 676140, 683016, 853770, 1054920, 1138360, 1352280, 1679081, 1707540, 3358162, 3415080, 5037243, 6716324, 8395405, 10074486, 13432648, 16790810, 20148972, 25186215, 33581620, 40297944, 50372430, 67163240, 100744860, 201489720]

約数ペア:

[(1, 201489720), (2, 100744860), (3, 67163240), (4, 50372430), (5, 40297944), (6, 33581620), (8, 25186215), (10, 20148972), (12, 16790810), (15, 13432648), (20, 10074486), (24, 8395405), (30, 6716324), (40, 5037243), (59, 3415080), (60, 3358162), (118, 1707540), (120, 1679081), (149, 1352280), (177, 1138360), (191, 1054920), (236, 853770), (295, 683016), (298, 676140), (354, 569180), (382, 527460), (447, 450760), (472, 426885), (573, 351640), (590, 341508), (596, 338070), (708, 284590), (745, 270456), (764, 263730), (885, 227672), (894, 225380), (955, 210984), (1146, 175820), (1180, 170754), (1192, 169035), (1416, 142295), (1490, 135228), (1528, 131865), (1770, 113836), (1788, 112690), (1910, 105492), (2235, 90152), (2292, 87910), (2360, 85377), (2865, 70328), (2980, 67614), (3540, 56918), (3576, 56345), (3820, 52746), (4470, 45076), (4584, 43955), (5730, 35164), (5960, 33807), (7080, 28459), (7640, 26373), (8791, 22920), (8940, 22538), (11269, 17880), (11460, 17582)]