19830240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 49516128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 282, 288, 293, 360, 376, 423, 470, 480, 564, 586, 705, 720, 752, 846, 879, 940, 1128, 1172, 1410, 1440, 1465, 1504, 1692, 1758, 1880, 2115, 2256, 2344, 2637, 2820, 2930, 3384, 3516, 3760, 4230, 4395, 4512, 4688, 5274, 5640, 5860, 6768, 7032, 7520, 8460, 8790, 9376, 10548, 11280, 11720, 13185, 13536, 13771, 14064, 16920, 17580, 21096, 22560, 23440, 26370, 27542, 28128, 33840, 35160, 41313, 42192, 46880, 52740, 55084, 67680, 68855, 70320, 82626, 84384, 105480, 110168, 123939, 137710, 140640, 165252, 206565, 210960, 220336, 247878, 275420, 330504, 413130, 421920, 440672, 495756, 550840, 619695, 661008, 826260, 991512, 1101680, 1239390, 1322016, 1652520, 1983024, 2203360, 2478780, 3305040, 3966048, 4957560, 6610080, 9915120, 19830240]

約数ペア:

[(1, 19830240), (2, 9915120), (3, 6610080), (4, 4957560), (5, 3966048), (6, 3305040), (8, 2478780), (9, 2203360), (10, 1983024), (12, 1652520), (15, 1322016), (16, 1239390), (18, 1101680), (20, 991512), (24, 826260), (30, 661008), (32, 619695), (36, 550840), (40, 495756), (45, 440672), (47, 421920), (48, 413130), (60, 330504), (72, 275420), (80, 247878), (90, 220336), (94, 210960), (96, 206565), (120, 165252), (141, 140640), (144, 137710), (160, 123939), (180, 110168), (188, 105480), (235, 84384), (240, 82626), (282, 70320), (288, 68855), (293, 67680), (360, 55084), (376, 52740), (423, 46880), (470, 42192), (480, 41313), (564, 35160), (586, 33840), (705, 28128), (720, 27542), (752, 26370), (846, 23440), (879, 22560), (940, 21096), (1128, 17580), (1172, 16920), (1410, 14064), (1440, 13771), (1465, 13536), (1504, 13185), (1692, 11720), (1758, 11280), (1880, 10548), (2115, 9376), (2256, 8790), (2344, 8460), (2637, 7520), (2820, 7032), (2930, 6768), (3384, 5860), (3516, 5640), (3760, 5274), (4230, 4688), (4395, 4512)]