157321920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 224

約数和(自身を含む): 585801216

約数和(自身を除く): 428479296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 410, 420, 448, 480, 492, 560, 571, 574, 615, 656, 672, 820, 840, 861, 960, 984, 1120, 1142, 1148, 1230, 1312, 1344, 1435, 1640, 1680, 1713, 1722, 1968, 2240, 2284, 2296, 2460, 2624, 2855, 2870, 3280, 3360, 3426, 3444, 3936, 3997, 4305, 4568, 4592, 4920, 5710, 5740, 6560, 6720, 6852, 6888, 7872, 7994, 8565, 8610, 9136, 9184, 9840, 11420, 11480, 11991, 13120, 13704, 13776, 15988, 17130, 17220, 18272, 18368, 19680, 19985, 22840, 22960, 23411, 23982, 27408, 27552, 31976, 34260, 34440, 36544, 39360, 39970, 45680, 45920, 46822, 47964, 54816, 55104, 59955, 63952, 68520, 68880, 70233, 79940, 91360, 91840, 93644, 95928, 109632, 117055, 119910, 127904, 137040, 137760, 140466, 159880, 163877, 182720, 187288, 191856, 234110, 239820, 255808, 274080, 275520, 280932, 319760, 327754, 351165, 374576, 383712, 468220, 479640, 491631, 548160, 561864, 639520, 655508, 702330, 749152, 767424, 819385, 936440, 959280, 983262, 1123728, 1279040, 1311016, 1404660, 1498304, 1638770, 1872880, 1918560, 1966524, 2247456, 2458155, 2622032, 2809320, 3277540, 3745760, 3837120, 3933048, 4494912, 4916310, 5244064, 5618640, 6555080, 7491520, 7866096, 9832620, 10488128, 11237280, 13110160, 15732192, 19665240, 22474560, 26220320, 31464384, 39330480, 52440640, 78660960, 157321920]

約数ペア:

[(1, 157321920), (2, 78660960), (3, 52440640), (4, 39330480), (5, 31464384), (6, 26220320), (7, 22474560), (8, 19665240), (10, 15732192), (12, 13110160), (14, 11237280), (15, 10488128), (16, 9832620), (20, 7866096), (21, 7491520), (24, 6555080), (28, 5618640), (30, 5244064), (32, 4916310), (35, 4494912), (40, 3933048), (41, 3837120), (42, 3745760), (48, 3277540), (56, 2809320), (60, 2622032), (64, 2458155), (70, 2247456), (80, 1966524), (82, 1918560), (84, 1872880), (96, 1638770), (105, 1498304), (112, 1404660), (120, 1311016), (123, 1279040), (140, 1123728), (160, 983262), (164, 959280), (168, 936440), (192, 819385), (205, 767424), (210, 749152), (224, 702330), (240, 655508), (246, 639520), (280, 561864), (287, 548160), (320, 491631), (328, 479640), (336, 468220), (410, 383712), (420, 374576), (448, 351165), (480, 327754), (492, 319760), (560, 280932), (571, 275520), (574, 274080), (615, 255808), (656, 239820), (672, 234110), (820, 191856), (840, 187288), (861, 182720), (960, 163877), (984, 159880), (1120, 140466), (1142, 137760), (1148, 137040), (1230, 127904), (1312, 119910), (1344, 117055), (1435, 109632), (1640, 95928), (1680, 93644), (1713, 91840), (1722, 91360), (1968, 79940), (2240, 70233), (2284, 68880), (2296, 68520), (2460, 63952), (2624, 59955), (2855, 55104), (2870, 54816), (3280, 47964), (3360, 46822), (3426, 45920), (3444, 45680), (3936, 39970), (3997, 39360), (4305, 36544), (4568, 34440), (4592, 34260), (4920, 31976), (5710, 27552), (5740, 27408), (6560, 23982), (6720, 23411), (6852, 22960), (6888, 22840), (7872, 19985), (7994, 19680), (8565, 18368), (8610, 18272), (9136, 17220), (9184, 17130), (9840, 15988), (11420, 13776), (11480, 13704), (11991, 13120)]