71520840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1476

約数の個数: 128

約数和(自身を含む): 243648000

約数和(自身を除く): 172127160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1409, 1410, 1692, 1880, 2115, 2538, 2818, 2820, 3384, 4227, 4230, 5076, 5636, 5640, 6345, 7045, 8454, 8460, 10152, 11272, 12681, 12690, 14090, 16908, 16920, 21135, 25362, 25380, 28180, 33816, 38043, 42270, 50724, 50760, 56360, 63405, 66223, 76086, 84540, 101448, 126810, 132446, 152172, 169080, 190215, 198669, 253620, 264892, 304344, 331115, 380430, 397338, 507240, 529784, 596007, 662230, 760860, 794676, 993345, 1192014, 1324460, 1521720, 1589352, 1788021, 1986690, 2384028, 2648920, 2980035, 3576042, 3973380, 4768056, 5960070, 7152084, 7946760, 8940105, 11920140, 14304168, 17880210, 23840280, 35760420, 71520840]

約数ペア:

[(1, 71520840), (2, 35760420), (3, 23840280), (4, 17880210), (5, 14304168), (6, 11920140), (8, 8940105), (9, 7946760), (10, 7152084), (12, 5960070), (15, 4768056), (18, 3973380), (20, 3576042), (24, 2980035), (27, 2648920), (30, 2384028), (36, 1986690), (40, 1788021), (45, 1589352), (47, 1521720), (54, 1324460), (60, 1192014), (72, 993345), (90, 794676), (94, 760860), (108, 662230), (120, 596007), (135, 529784), (141, 507240), (180, 397338), (188, 380430), (216, 331115), (235, 304344), (270, 264892), (282, 253620), (360, 198669), (376, 190215), (423, 169080), (470, 152172), (540, 132446), (564, 126810), (705, 101448), (846, 84540), (940, 76086), (1080, 66223), (1128, 63405), (1269, 56360), (1409, 50760), (1410, 50724), (1692, 42270), (1880, 38043), (2115, 33816), (2538, 28180), (2818, 25380), (2820, 25362), (3384, 21135), (4227, 16920), (4230, 16908), (5076, 14090), (5636, 12690), (5640, 12681), (6345, 11272), (7045, 10152), (8454, 8460)]