142723980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 497952000

約数和(自身を除く): 355228020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 252, 315, 420, 454, 499, 630, 681, 908, 998, 1135, 1260, 1362, 1497, 1589, 1996, 2043, 2270, 2495, 2724, 2994, 3178, 3405, 3493, 4086, 4491, 4540, 4767, 4990, 5988, 6356, 6810, 6986, 7485, 7945, 8172, 8982, 9534, 9980, 10215, 10479, 13620, 13972, 14301, 14970, 15890, 17465, 17964, 19068, 20430, 20958, 22455, 23835, 28602, 29940, 31437, 31780, 34930, 40860, 41916, 44910, 47670, 52395, 57204, 62874, 69860, 71505, 89820, 95340, 104790, 113273, 125748, 143010, 157185, 209580, 226546, 286020, 314370, 339819, 453092, 566365, 628740, 679638, 792911, 1019457, 1132730, 1359276, 1585822, 1699095, 2038914, 2265460, 2378733, 3171644, 3398190, 3964555, 4077828, 4757466, 5097285, 6796380, 7136199, 7929110, 9514932, 10194570, 11893665, 14272398, 15858220, 20389140, 23787330, 28544796, 35680995, 47574660, 71361990, 142723980]

約数ペア:

[(1, 142723980), (2, 71361990), (3, 47574660), (4, 35680995), (5, 28544796), (6, 23787330), (7, 20389140), (9, 15858220), (10, 14272398), (12, 11893665), (14, 10194570), (15, 9514932), (18, 7929110), (20, 7136199), (21, 6796380), (28, 5097285), (30, 4757466), (35, 4077828), (36, 3964555), (42, 3398190), (45, 3171644), (60, 2378733), (63, 2265460), (70, 2038914), (84, 1699095), (90, 1585822), (105, 1359276), (126, 1132730), (140, 1019457), (180, 792911), (210, 679638), (227, 628740), (252, 566365), (315, 453092), (420, 339819), (454, 314370), (499, 286020), (630, 226546), (681, 209580), (908, 157185), (998, 143010), (1135, 125748), (1260, 113273), (1362, 104790), (1497, 95340), (1589, 89820), (1996, 71505), (2043, 69860), (2270, 62874), (2495, 57204), (2724, 52395), (2994, 47670), (3178, 44910), (3405, 41916), (3493, 40860), (4086, 34930), (4491, 31780), (4540, 31437), (4767, 29940), (4990, 28602), (5988, 23835), (6356, 22455), (6810, 20958), (6986, 20430), (7485, 19068), (7945, 17964), (8172, 17465), (8982, 15890), (9534, 14970), (9980, 14301), (10215, 13972), (10479, 13620)]