19540080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3903

約数の個数: 120

約数和(自身を含む): 75016032

約数和(自身を除く): 55475952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3877, 5040, 7754, 11631, 15508, 19385, 23262, 27139, 31016, 34893, 38770, 46524, 54278, 58155, 62032, 69786, 77540, 81417, 93048, 108556, 116310, 135695, 139572, 155080, 162834, 174465, 186096, 217112, 232620, 244251, 271390, 279144, 310160, 325668, 348930, 407085, 434224, 465240, 488502, 542780, 558288, 651336, 697860, 814170, 930480, 977004, 1085560, 1221255, 1302672, 1395720, 1628340, 1954008, 2171120, 2442510, 2791440, 3256680, 3908016, 4885020, 6513360, 9770040, 19540080]

約数ペア:

[(1, 19540080), (2, 9770040), (3, 6513360), (4, 4885020), (5, 3908016), (6, 3256680), (7, 2791440), (8, 2442510), (9, 2171120), (10, 1954008), (12, 1628340), (14, 1395720), (15, 1302672), (16, 1221255), (18, 1085560), (20, 977004), (21, 930480), (24, 814170), (28, 697860), (30, 651336), (35, 558288), (36, 542780), (40, 488502), (42, 465240), (45, 434224), (48, 407085), (56, 348930), (60, 325668), (63, 310160), (70, 279144), (72, 271390), (80, 244251), (84, 232620), (90, 217112), (105, 186096), (112, 174465), (120, 162834), (126, 155080), (140, 139572), (144, 135695), (168, 116310), (180, 108556), (210, 93048), (240, 81417), (252, 77540), (280, 69786), (315, 62032), (336, 58155), (360, 54278), (420, 46524), (504, 38770), (560, 34893), (630, 31016), (720, 27139), (840, 23262), (1008, 19385), (1260, 15508), (1680, 11631), (2520, 7754), (3877, 5040)]