20190240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2003}}^1$

素因数の和:2031

約数の個数: 144

約数和(自身を含む): 78781248

約数和(自身を除く): 58591008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2003, 2016, 2520, 3360, 4006, 5040, 6009, 8012, 10015, 10080, 12018, 14021, 16024, 18027, 20030, 24036, 28042, 30045, 32048, 36054, 40060, 42063, 48072, 56084, 60090, 64096, 70105, 72108, 80120, 84126, 90135, 96144, 112168, 120180, 126189, 140210, 144216, 160240, 168252, 180270, 192288, 210315, 224336, 240360, 252378, 280420, 288432, 320480, 336504, 360540, 420630, 448672, 480720, 504756, 560840, 576864, 630945, 673008, 721080, 841260, 961440, 1009512, 1121680, 1261890, 1346016, 1442160, 1682520, 2019024, 2243360, 2523780, 2884320, 3365040, 4038048, 5047560, 6730080, 10095120, 20190240]

約数ペア:

[(1, 20190240), (2, 10095120), (3, 6730080), (4, 5047560), (5, 4038048), (6, 3365040), (7, 2884320), (8, 2523780), (9, 2243360), (10, 2019024), (12, 1682520), (14, 1442160), (15, 1346016), (16, 1261890), (18, 1121680), (20, 1009512), (21, 961440), (24, 841260), (28, 721080), (30, 673008), (32, 630945), (35, 576864), (36, 560840), (40, 504756), (42, 480720), (45, 448672), (48, 420630), (56, 360540), (60, 336504), (63, 320480), (70, 288432), (72, 280420), (80, 252378), (84, 240360), (90, 224336), (96, 210315), (105, 192288), (112, 180270), (120, 168252), (126, 160240), (140, 144216), (144, 140210), (160, 126189), (168, 120180), (180, 112168), (210, 96144), (224, 90135), (240, 84126), (252, 80120), (280, 72108), (288, 70105), (315, 64096), (336, 60090), (360, 56084), (420, 48072), (480, 42063), (504, 40060), (560, 36054), (630, 32048), (672, 30045), (720, 28042), (840, 24036), (1008, 20030), (1120, 18027), (1260, 16024), (1440, 14021), (1680, 12018), (2003, 10080), (2016, 10015), (2520, 8012), (3360, 6009), (4006, 5040)]