1664121480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 256

約数和(自身を含む): 5931048960

約数和(自身を除く): 4266927480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 61, 70, 84, 94, 105, 120, 122, 140, 141, 168, 183, 188, 210, 235, 244, 280, 282, 305, 329, 366, 376, 420, 427, 470, 488, 564, 610, 658, 691, 705, 732, 840, 854, 915, 940, 987, 1128, 1220, 1281, 1316, 1382, 1410, 1464, 1645, 1708, 1830, 1880, 1974, 2073, 2135, 2440, 2562, 2632, 2764, 2820, 2867, 3290, 3416, 3455, 3660, 3948, 4146, 4270, 4837, 4935, 5124, 5528, 5640, 5734, 6405, 6580, 6910, 7320, 7896, 8292, 8540, 8601, 9674, 9870, 10248, 10365, 11468, 12810, 13160, 13820, 14335, 14511, 16584, 17080, 17202, 19348, 19740, 20069, 20730, 22936, 24185, 25620, 27640, 28670, 29022, 32477, 34404, 38696, 39480, 40138, 41460, 42151, 43005, 48370, 51240, 57340, 58044, 60207, 64954, 68808, 72555, 80276, 82920, 84302, 86010, 96740, 97431, 100345, 114680, 116088, 120414, 126453, 129908, 145110, 160552, 162385, 168604, 172020, 193480, 194862, 200690, 210755, 227339, 240828, 252906, 259816, 290220, 295057, 301035, 324770, 337208, 344040, 389724, 401380, 421510, 454678, 481656, 487155, 505812, 580440, 590114, 602070, 632265, 649540, 682017, 779448, 802760, 843020, 885171, 909356, 974310, 1011624, 1136695, 1180228, 1204140, 1264530, 1299080, 1364034, 1475285, 1686040, 1770342, 1818712, 1948620, 1981097, 2273390, 2360456, 2408280, 2529060, 2728068, 2950570, 3410085, 3540684, 3897240, 3962194, 4425855, 4546780, 5058120, 5456136, 5901140, 5943291, 6820170, 7081368, 7924388, 8851710, 9093560, 9905485, 11802280, 11886582, 13640340, 13867679, 15848776, 17703420, 19810970, 23773164, 27280680, 27735358, 29716455, 35406840, 39621940, 41603037, 47546328, 55470716, 59432910, 69338395, 79243880, 83206074, 110941432, 118865820, 138676790, 166412148, 208015185, 237731640, 277353580, 332824296, 416030370, 554707160, 832060740, 1664121480]

約数ペア:

[(1, 1664121480), (2, 832060740), (3, 554707160), (4, 416030370), (5, 332824296), (6, 277353580), (7, 237731640), (8, 208015185), (10, 166412148), (12, 138676790), (14, 118865820), (15, 110941432), (20, 83206074), (21, 79243880), (24, 69338395), (28, 59432910), (30, 55470716), (35, 47546328), (40, 41603037), (42, 39621940), (47, 35406840), (56, 29716455), (60, 27735358), (61, 27280680), (70, 23773164), (84, 19810970), (94, 17703420), (105, 15848776), (120, 13867679), (122, 13640340), (140, 11886582), (141, 11802280), (168, 9905485), (183, 9093560), (188, 8851710), (210, 7924388), (235, 7081368), (244, 6820170), (280, 5943291), (282, 5901140), (305, 5456136), (329, 5058120), (366, 4546780), (376, 4425855), (420, 3962194), (427, 3897240), (470, 3540684), (488, 3410085), (564, 2950570), (610, 2728068), (658, 2529060), (691, 2408280), (705, 2360456), (732, 2273390), (840, 1981097), (854, 1948620), (915, 1818712), (940, 1770342), (987, 1686040), (1128, 1475285), (1220, 1364034), (1281, 1299080), (1316, 1264530), (1382, 1204140), (1410, 1180228), (1464, 1136695), (1645, 1011624), (1708, 974310), (1830, 909356), (1880, 885171), (1974, 843020), (2073, 802760), (2135, 779448), (2440, 682017), (2562, 649540), (2632, 632265), (2764, 602070), (2820, 590114), (2867, 580440), (3290, 505812), (3416, 487155), (3455, 481656), (3660, 454678), (3948, 421510), (4146, 401380), (4270, 389724), (4837, 344040), (4935, 337208), (5124, 324770), (5528, 301035), (5640, 295057), (5734, 290220), (6405, 259816), (6580, 252906), (6910, 240828), (7320, 227339), (7896, 210755), (8292, 200690), (8540, 194862), (8601, 193480), (9674, 172020), (9870, 168604), (10248, 162385), (10365, 160552), (11468, 145110), (12810, 129908), (13160, 126453), (13820, 120414), (14335, 116088), (14511, 114680), (16584, 100345), (17080, 97431), (17202, 96740), (19348, 86010), (19740, 84302), (20069, 82920), (20730, 80276), (22936, 72555), (24185, 68808), (25620, 64954), (27640, 60207), (28670, 58044), (29022, 57340), (32477, 51240), (34404, 48370), (38696, 43005), (39480, 42151), (40138, 41460)]