19746720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{653}}^1$

素因数の和:684

約数の個数: 192

約数和(自身を含む): 79107840

約数和(自身を除く): 59361120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 653, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1306, 1440, 1512, 1680, 1890, 1959, 2016, 2160, 2520, 2612, 3024, 3265, 3360, 3780, 3918, 4320, 4571, 5040, 5224, 5877, 6048, 6530, 7560, 7836, 9142, 9795, 10080, 10448, 11754, 13060, 13713, 15120, 15672, 17631, 18284, 19590, 20896, 22855, 23508, 26120, 27426, 29385, 30240, 31344, 35262, 36568, 39180, 41139, 45710, 47016, 52240, 54852, 58770, 62688, 68565, 70524, 73136, 78360, 82278, 88155, 91420, 94032, 104480, 109704, 117540, 123417, 137130, 141048, 146272, 156720, 164556, 176310, 182840, 188064, 205695, 219408, 235080, 246834, 274260, 282096, 313440, 329112, 352620, 365680, 411390, 438816, 470160, 493668, 548520, 564192, 617085, 658224, 705240, 731360, 822780, 940320, 987336, 1097040, 1234170, 1316448, 1410480, 1645560, 1974672, 2194080, 2468340, 2820960, 3291120, 3949344, 4936680, 6582240, 9873360, 19746720]

約数ペア:

[(1, 19746720), (2, 9873360), (3, 6582240), (4, 4936680), (5, 3949344), (6, 3291120), (7, 2820960), (8, 2468340), (9, 2194080), (10, 1974672), (12, 1645560), (14, 1410480), (15, 1316448), (16, 1234170), (18, 1097040), (20, 987336), (21, 940320), (24, 822780), (27, 731360), (28, 705240), (30, 658224), (32, 617085), (35, 564192), (36, 548520), (40, 493668), (42, 470160), (45, 438816), (48, 411390), (54, 365680), (56, 352620), (60, 329112), (63, 313440), (70, 282096), (72, 274260), (80, 246834), (84, 235080), (90, 219408), (96, 205695), (105, 188064), (108, 182840), (112, 176310), (120, 164556), (126, 156720), (135, 146272), (140, 141048), (144, 137130), (160, 123417), (168, 117540), (180, 109704), (189, 104480), (210, 94032), (216, 91420), (224, 88155), (240, 82278), (252, 78360), (270, 73136), (280, 70524), (288, 68565), (315, 62688), (336, 58770), (360, 54852), (378, 52240), (420, 47016), (432, 45710), (480, 41139), (504, 39180), (540, 36568), (560, 35262), (630, 31344), (653, 30240), (672, 29385), (720, 27426), (756, 26120), (840, 23508), (864, 22855), (945, 20896), (1008, 19590), (1080, 18284), (1120, 17631), (1260, 15672), (1306, 15120), (1440, 13713), (1512, 13060), (1680, 11754), (1890, 10448), (1959, 10080), (2016, 9795), (2160, 9142), (2520, 7836), (2612, 7560), (3024, 6530), (3265, 6048), (3360, 5877), (3780, 5224), (3918, 5040), (4320, 4571)]