2987040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 11031552

約数和(自身を除く): 8044512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 127, 140, 147, 160, 168, 196, 210, 224, 240, 245, 254, 280, 294, 336, 381, 392, 420, 480, 490, 508, 560, 588, 635, 672, 735, 762, 784, 840, 889, 980, 1016, 1120, 1176, 1270, 1470, 1524, 1568, 1680, 1778, 1905, 1960, 2032, 2352, 2540, 2667, 2940, 3048, 3360, 3556, 3810, 3920, 4064, 4445, 4704, 5080, 5334, 5880, 6096, 6223, 7112, 7620, 7840, 8890, 10160, 10668, 11760, 12192, 12446, 13335, 14224, 15240, 17780, 18669, 20320, 21336, 23520, 24892, 26670, 28448, 30480, 31115, 35560, 37338, 42672, 49784, 53340, 60960, 62230, 71120, 74676, 85344, 93345, 99568, 106680, 124460, 142240, 149352, 186690, 199136, 213360, 248920, 298704, 373380, 426720, 497840, 597408, 746760, 995680, 1493520, 2987040]

約数ペア:

[(1, 2987040), (2, 1493520), (3, 995680), (4, 746760), (5, 597408), (6, 497840), (7, 426720), (8, 373380), (10, 298704), (12, 248920), (14, 213360), (15, 199136), (16, 186690), (20, 149352), (21, 142240), (24, 124460), (28, 106680), (30, 99568), (32, 93345), (35, 85344), (40, 74676), (42, 71120), (48, 62230), (49, 60960), (56, 53340), (60, 49784), (70, 42672), (80, 37338), (84, 35560), (96, 31115), (98, 30480), (105, 28448), (112, 26670), (120, 24892), (127, 23520), (140, 21336), (147, 20320), (160, 18669), (168, 17780), (196, 15240), (210, 14224), (224, 13335), (240, 12446), (245, 12192), (254, 11760), (280, 10668), (294, 10160), (336, 8890), (381, 7840), (392, 7620), (420, 7112), (480, 6223), (490, 6096), (508, 5880), (560, 5334), (588, 5080), (635, 4704), (672, 4445), (735, 4064), (762, 3920), (784, 3810), (840, 3556), (889, 3360), (980, 3048), (1016, 2940), (1120, 2667), (1176, 2540), (1270, 2352), (1470, 2032), (1524, 1960), (1568, 1905), (1680, 1778)]