2130660

素因数分解:

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

素因数の和:130

約数の個数: 144

約数和(自身を含む): 7862400

約数和(自身を除く): 5731740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 89, 90, 95, 105, 114, 126, 133, 140, 171, 178, 180, 190, 210, 228, 252, 266, 267, 285, 315, 342, 356, 380, 399, 420, 445, 532, 534, 570, 623, 630, 665, 684, 798, 801, 855, 890, 1068, 1140, 1197, 1246, 1260, 1330, 1335, 1596, 1602, 1691, 1710, 1780, 1869, 1995, 2394, 2492, 2660, 2670, 3115, 3204, 3382, 3420, 3738, 3990, 4005, 4788, 5073, 5340, 5607, 5985, 6230, 6764, 7476, 7980, 8010, 8455, 9345, 10146, 11214, 11837, 11970, 12460, 15219, 16020, 16910, 18690, 20292, 22428, 23674, 23940, 25365, 28035, 30438, 33820, 35511, 37380, 47348, 50730, 56070, 59185, 60876, 71022, 76095, 101460, 106533, 112140, 118370, 142044, 152190, 177555, 213066, 236740, 304380, 355110, 426132, 532665, 710220, 1065330, 2130660]

約数ペア:

[(1, 2130660), (2, 1065330), (3, 710220), (4, 532665), (5, 426132), (6, 355110), (7, 304380), (9, 236740), (10, 213066), (12, 177555), (14, 152190), (15, 142044), (18, 118370), (19, 112140), (20, 106533), (21, 101460), (28, 76095), (30, 71022), (35, 60876), (36, 59185), (38, 56070), (42, 50730), (45, 47348), (57, 37380), (60, 35511), (63, 33820), (70, 30438), (76, 28035), (84, 25365), (89, 23940), (90, 23674), (95, 22428), (105, 20292), (114, 18690), (126, 16910), (133, 16020), (140, 15219), (171, 12460), (178, 11970), (180, 11837), (190, 11214), (210, 10146), (228, 9345), (252, 8455), (266, 8010), (267, 7980), (285, 7476), (315, 6764), (342, 6230), (356, 5985), (380, 5607), (399, 5340), (420, 5073), (445, 4788), (532, 4005), (534, 3990), (570, 3738), (623, 3420), (630, 3382), (665, 3204), (684, 3115), (798, 2670), (801, 2660), (855, 2492), (890, 2394), (1068, 1995), (1140, 1869), (1197, 1780), (1246, 1710), (1260, 1691), (1330, 1602), (1335, 1596)]