318905460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 1009008000

約数和(自身を除く): 690102540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 199, 261, 290, 307, 348, 398, 435, 522, 580, 597, 614, 796, 870, 921, 995, 1044, 1194, 1228, 1305, 1535, 1740, 1791, 1842, 1990, 2388, 2610, 2763, 2985, 3070, 3582, 3684, 3980, 4605, 5220, 5526, 5771, 5970, 6140, 7164, 8903, 8955, 9210, 11052, 11542, 11940, 13815, 17313, 17806, 17910, 18420, 23084, 26709, 27630, 28855, 34626, 35612, 35820, 44515, 51939, 53418, 55260, 57710, 61093, 69252, 80127, 86565, 89030, 103878, 106836, 115420, 122186, 133545, 160254, 173130, 178060, 183279, 207756, 244372, 259695, 267090, 305465, 320508, 346260, 366558, 400635, 519390, 534180, 549837, 610930, 733116, 801270, 916395, 1038780, 1099674, 1221860, 1602540, 1771697, 1832790, 2199348, 2749185, 3543394, 3665580, 5315091, 5498370, 7086788, 8858485, 10630182, 10996740, 15945273, 17716970, 21260364, 26575455, 31890546, 35433940, 53150910, 63781092, 79726365, 106301820, 159452730, 318905460]

約数ペア:

[(1, 318905460), (2, 159452730), (3, 106301820), (4, 79726365), (5, 63781092), (6, 53150910), (9, 35433940), (10, 31890546), (12, 26575455), (15, 21260364), (18, 17716970), (20, 15945273), (29, 10996740), (30, 10630182), (36, 8858485), (45, 7086788), (58, 5498370), (60, 5315091), (87, 3665580), (90, 3543394), (116, 2749185), (145, 2199348), (174, 1832790), (180, 1771697), (199, 1602540), (261, 1221860), (290, 1099674), (307, 1038780), (348, 916395), (398, 801270), (435, 733116), (522, 610930), (580, 549837), (597, 534180), (614, 519390), (796, 400635), (870, 366558), (921, 346260), (995, 320508), (1044, 305465), (1194, 267090), (1228, 259695), (1305, 244372), (1535, 207756), (1740, 183279), (1791, 178060), (1842, 173130), (1990, 160254), (2388, 133545), (2610, 122186), (2763, 115420), (2985, 106836), (3070, 103878), (3582, 89030), (3684, 86565), (3980, 80127), (4605, 69252), (5220, 61093), (5526, 57710), (5771, 55260), (5970, 53418), (6140, 51939), (7164, 44515), (8903, 35820), (8955, 35612), (9210, 34626), (11052, 28855), (11542, 27630), (11940, 26709), (13815, 23084), (17313, 18420), (17806, 17910)]