19850880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{211}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 73954080

約数和(自身を除く): 54103200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 211, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 422, 448, 480, 490, 560, 588, 633, 640, 672, 735, 784, 840, 844, 896, 960, 980, 1055, 1120, 1176, 1266, 1344, 1470, 1477, 1568, 1680, 1688, 1920, 1960, 2110, 2240, 2352, 2532, 2688, 2940, 2954, 3136, 3165, 3360, 3376, 3920, 4220, 4431, 4480, 4704, 5064, 5880, 5908, 6272, 6330, 6720, 6752, 7385, 7840, 8440, 8862, 9408, 10128, 10339, 11760, 11816, 12660, 13440, 13504, 14770, 15680, 16880, 17724, 18816, 20256, 20678, 22155, 23520, 23632, 25320, 27008, 29540, 31017, 31360, 33760, 35448, 40512, 41356, 44310, 47040, 47264, 50640, 51695, 59080, 62034, 67520, 70896, 81024, 82712, 88620, 94080, 94528, 101280, 103390, 118160, 124068, 135040, 141792, 155085, 165424, 177240, 189056, 202560, 206780, 236320, 248136, 283584, 310170, 330848, 354480, 405120, 413560, 472640, 496272, 567168, 620340, 661696, 708960, 827120, 945280, 992544, 1240680, 1323392, 1417920, 1654240, 1985088, 2481360, 2835840, 3308480, 3970176, 4962720, 6616960, 9925440, 19850880]

約数ペア:

[(1, 19850880), (2, 9925440), (3, 6616960), (4, 4962720), (5, 3970176), (6, 3308480), (7, 2835840), (8, 2481360), (10, 1985088), (12, 1654240), (14, 1417920), (15, 1323392), (16, 1240680), (20, 992544), (21, 945280), (24, 827120), (28, 708960), (30, 661696), (32, 620340), (35, 567168), (40, 496272), (42, 472640), (48, 413560), (49, 405120), (56, 354480), (60, 330848), (64, 310170), (70, 283584), (80, 248136), (84, 236320), (96, 206780), (98, 202560), (105, 189056), (112, 177240), (120, 165424), (128, 155085), (140, 141792), (147, 135040), (160, 124068), (168, 118160), (192, 103390), (196, 101280), (210, 94528), (211, 94080), (224, 88620), (240, 82712), (245, 81024), (280, 70896), (294, 67520), (320, 62034), (336, 59080), (384, 51695), (392, 50640), (420, 47264), (422, 47040), (448, 44310), (480, 41356), (490, 40512), (560, 35448), (588, 33760), (633, 31360), (640, 31017), (672, 29540), (735, 27008), (784, 25320), (840, 23632), (844, 23520), (896, 22155), (960, 20678), (980, 20256), (1055, 18816), (1120, 17724), (1176, 16880), (1266, 15680), (1344, 14770), (1470, 13504), (1477, 13440), (1568, 12660), (1680, 11816), (1688, 11760), (1920, 10339), (1960, 10128), (2110, 9408), (2240, 8862), (2352, 8440), (2532, 7840), (2688, 7385), (2940, 6752), (2954, 6720), (3136, 6330), (3165, 6272), (3360, 5908), (3376, 5880), (3920, 5064), (4220, 4704), (4431, 4480)]