90159720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 311351040

約数和(自身を除く): 221191320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 593, 724, 840, 905, 1086, 1186, 1267, 1448, 1779, 1810, 2172, 2372, 2534, 2715, 2965, 3558, 3620, 3801, 4151, 4344, 4744, 5068, 5430, 5930, 6335, 7116, 7240, 7602, 8302, 8895, 10136, 10860, 11860, 12453, 12670, 14232, 15204, 16604, 17790, 19005, 20755, 21720, 23720, 24906, 25340, 30408, 33208, 35580, 38010, 41510, 49812, 50680, 62265, 71160, 76020, 83020, 99624, 107333, 124530, 152040, 166040, 214666, 249060, 321999, 429332, 498120, 536665, 643998, 751331, 858664, 1073330, 1287996, 1502662, 1609995, 2146660, 2253993, 2575992, 3005324, 3219990, 3756655, 4293320, 4507986, 6010648, 6439980, 7513310, 9015972, 11269965, 12879960, 15026620, 18031944, 22539930, 30053240, 45079860, 90159720]

約数ペア:

[(1, 90159720), (2, 45079860), (3, 30053240), (4, 22539930), (5, 18031944), (6, 15026620), (7, 12879960), (8, 11269965), (10, 9015972), (12, 7513310), (14, 6439980), (15, 6010648), (20, 4507986), (21, 4293320), (24, 3756655), (28, 3219990), (30, 3005324), (35, 2575992), (40, 2253993), (42, 2146660), (56, 1609995), (60, 1502662), (70, 1287996), (84, 1073330), (105, 858664), (120, 751331), (140, 643998), (168, 536665), (181, 498120), (210, 429332), (280, 321999), (362, 249060), (420, 214666), (543, 166040), (593, 152040), (724, 124530), (840, 107333), (905, 99624), (1086, 83020), (1186, 76020), (1267, 71160), (1448, 62265), (1779, 50680), (1810, 49812), (2172, 41510), (2372, 38010), (2534, 35580), (2715, 33208), (2965, 30408), (3558, 25340), (3620, 24906), (3801, 23720), (4151, 21720), (4344, 20755), (4744, 19005), (5068, 17790), (5430, 16604), (5930, 15204), (6335, 14232), (7116, 12670), (7240, 12453), (7602, 11860), (8302, 10860), (8895, 10136)]