71971620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 192

約数和(自身を含む): 251596800

約数和(自身を除く): 179625180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 57, 58, 60, 70, 76, 84, 87, 95, 105, 114, 116, 133, 140, 145, 174, 190, 203, 210, 228, 266, 285, 290, 311, 348, 380, 399, 406, 420, 435, 532, 551, 570, 580, 609, 622, 665, 798, 812, 870, 933, 1015, 1102, 1140, 1218, 1244, 1330, 1555, 1596, 1653, 1740, 1866, 1995, 2030, 2177, 2204, 2436, 2660, 2755, 3045, 3110, 3306, 3732, 3857, 3990, 4060, 4354, 4665, 5510, 5909, 6090, 6220, 6531, 6612, 7714, 7980, 8265, 8708, 9019, 9330, 10885, 11020, 11571, 11818, 12180, 13062, 15428, 16530, 17727, 18038, 18660, 19285, 21770, 23142, 23636, 26124, 27057, 29545, 32655, 33060, 35454, 36076, 38570, 41363, 43540, 45095, 46284, 54114, 57855, 59090, 63133, 65310, 70908, 77140, 82726, 88635, 90190, 108228, 115710, 118180, 124089, 126266, 130620, 135285, 165452, 171361, 177270, 180380, 189399, 206815, 231420, 248178, 252532, 270570, 315665, 342722, 354540, 378798, 413630, 496356, 514083, 541140, 620445, 631330, 685444, 757596, 827260, 856805, 946995, 1028166, 1199527, 1240890, 1262660, 1713610, 1893990, 2056332, 2399054, 2481780, 2570415, 3427220, 3598581, 3787980, 4798108, 5140830, 5997635, 7197162, 10281660, 11995270, 14394324, 17992905, 23990540, 35985810, 71971620]

約数ペア:

[(1, 71971620), (2, 35985810), (3, 23990540), (4, 17992905), (5, 14394324), (6, 11995270), (7, 10281660), (10, 7197162), (12, 5997635), (14, 5140830), (15, 4798108), (19, 3787980), (20, 3598581), (21, 3427220), (28, 2570415), (29, 2481780), (30, 2399054), (35, 2056332), (38, 1893990), (42, 1713610), (57, 1262660), (58, 1240890), (60, 1199527), (70, 1028166), (76, 946995), (84, 856805), (87, 827260), (95, 757596), (105, 685444), (114, 631330), (116, 620445), (133, 541140), (140, 514083), (145, 496356), (174, 413630), (190, 378798), (203, 354540), (210, 342722), (228, 315665), (266, 270570), (285, 252532), (290, 248178), (311, 231420), (348, 206815), (380, 189399), (399, 180380), (406, 177270), (420, 171361), (435, 165452), (532, 135285), (551, 130620), (570, 126266), (580, 124089), (609, 118180), (622, 115710), (665, 108228), (798, 90190), (812, 88635), (870, 82726), (933, 77140), (1015, 70908), (1102, 65310), (1140, 63133), (1218, 59090), (1244, 57855), (1330, 54114), (1555, 46284), (1596, 45095), (1653, 43540), (1740, 41363), (1866, 38570), (1995, 36076), (2030, 35454), (2177, 33060), (2204, 32655), (2436, 29545), (2660, 27057), (2755, 26124), (3045, 23636), (3110, 23142), (3306, 21770), (3732, 19285), (3857, 18660), (3990, 18038), (4060, 17727), (4354, 16530), (4665, 15428), (5510, 13062), (5909, 12180), (6090, 11818), (6220, 11571), (6531, 11020), (6612, 10885), (7714, 9330), (7980, 9019), (8265, 8708)]