2122120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 128

約数和(自身を含む): 6531840

約数和(自身を除く): 4409720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 53, 55, 56, 65, 70, 77, 88, 91, 104, 106, 110, 130, 140, 143, 154, 182, 212, 220, 260, 265, 280, 286, 308, 364, 371, 385, 424, 440, 455, 520, 530, 572, 583, 616, 689, 715, 728, 742, 770, 910, 1001, 1060, 1144, 1166, 1378, 1430, 1484, 1540, 1820, 1855, 2002, 2120, 2332, 2756, 2860, 2915, 2968, 3080, 3445, 3640, 3710, 4004, 4081, 4664, 4823, 5005, 5512, 5720, 5830, 6890, 7420, 7579, 8008, 8162, 9646, 10010, 11660, 13780, 14840, 15158, 16324, 19292, 20020, 20405, 23320, 24115, 27560, 30316, 32648, 37895, 38584, 40040, 40810, 48230, 53053, 60632, 75790, 81620, 96460, 106106, 151580, 163240, 192920, 212212, 265265, 303160, 424424, 530530, 1061060, 2122120]

約数ペア:

[(1, 2122120), (2, 1061060), (4, 530530), (5, 424424), (7, 303160), (8, 265265), (10, 212212), (11, 192920), (13, 163240), (14, 151580), (20, 106106), (22, 96460), (26, 81620), (28, 75790), (35, 60632), (40, 53053), (44, 48230), (52, 40810), (53, 40040), (55, 38584), (56, 37895), (65, 32648), (70, 30316), (77, 27560), (88, 24115), (91, 23320), (104, 20405), (106, 20020), (110, 19292), (130, 16324), (140, 15158), (143, 14840), (154, 13780), (182, 11660), (212, 10010), (220, 9646), (260, 8162), (265, 8008), (280, 7579), (286, 7420), (308, 6890), (364, 5830), (371, 5720), (385, 5512), (424, 5005), (440, 4823), (455, 4664), (520, 4081), (530, 4004), (572, 3710), (583, 3640), (616, 3445), (689, 3080), (715, 2968), (728, 2915), (742, 2860), (770, 2756), (910, 2332), (1001, 2120), (1060, 2002), (1144, 1855), (1166, 1820), (1378, 1540), (1430, 1484)]