128549820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 440294400

約数和(自身を除く): 311744580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 89, 95, 105, 114, 133, 140, 178, 181, 190, 210, 228, 266, 267, 285, 356, 362, 380, 399, 420, 445, 532, 534, 543, 570, 623, 665, 724, 798, 890, 905, 1068, 1086, 1140, 1246, 1267, 1330, 1335, 1596, 1691, 1780, 1810, 1869, 1995, 2172, 2492, 2534, 2660, 2670, 2715, 3115, 3382, 3439, 3620, 3738, 3801, 3990, 5068, 5073, 5340, 5430, 6230, 6335, 6764, 6878, 7476, 7602, 7980, 8455, 9345, 10146, 10317, 10860, 11837, 12460, 12670, 13756, 15204, 16109, 16910, 17195, 18690, 19005, 20292, 20634, 23674, 24073, 25340, 25365, 32218, 33820, 34390, 35511, 37380, 38010, 41268, 47348, 48146, 48327, 50730, 51585, 59185, 64436, 68780, 71022, 72219, 76020, 80545, 96292, 96654, 101460, 103170, 112763, 118370, 120365, 142044, 144438, 161090, 177555, 193308, 206340, 225526, 236740, 240730, 241635, 288876, 306071, 322180, 338289, 355110, 361095, 451052, 481460, 483270, 563815, 612142, 676578, 710220, 722190, 918213, 966540, 1127630, 1224284, 1353156, 1444380, 1530355, 1691445, 1836426, 2142497, 2255260, 3060710, 3382890, 3672852, 4284994, 4591065, 6121420, 6427491, 6765780, 8569988, 9182130, 10712485, 12854982, 18364260, 21424970, 25709964, 32137455, 42849940, 64274910, 128549820]

約数ペア:

[(1, 128549820), (2, 64274910), (3, 42849940), (4, 32137455), (5, 25709964), (6, 21424970), (7, 18364260), (10, 12854982), (12, 10712485), (14, 9182130), (15, 8569988), (19, 6765780), (20, 6427491), (21, 6121420), (28, 4591065), (30, 4284994), (35, 3672852), (38, 3382890), (42, 3060710), (57, 2255260), (60, 2142497), (70, 1836426), (76, 1691445), (84, 1530355), (89, 1444380), (95, 1353156), (105, 1224284), (114, 1127630), (133, 966540), (140, 918213), (178, 722190), (181, 710220), (190, 676578), (210, 612142), (228, 563815), (266, 483270), (267, 481460), (285, 451052), (356, 361095), (362, 355110), (380, 338289), (399, 322180), (420, 306071), (445, 288876), (532, 241635), (534, 240730), (543, 236740), (570, 225526), (623, 206340), (665, 193308), (724, 177555), (798, 161090), (890, 144438), (905, 142044), (1068, 120365), (1086, 118370), (1140, 112763), (1246, 103170), (1267, 101460), (1330, 96654), (1335, 96292), (1596, 80545), (1691, 76020), (1780, 72219), (1810, 71022), (1869, 68780), (1995, 64436), (2172, 59185), (2492, 51585), (2534, 50730), (2660, 48327), (2670, 48146), (2715, 47348), (3115, 41268), (3382, 38010), (3439, 37380), (3620, 35511), (3738, 34390), (3801, 33820), (3990, 32218), (5068, 25365), (5073, 25340), (5340, 24073), (5430, 23674), (6230, 20634), (6335, 20292), (6764, 19005), (6878, 18690), (7476, 17195), (7602, 16910), (7980, 16109), (8455, 15204), (9345, 13756), (10146, 12670), (10317, 12460), (10860, 11837)]