261567330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{727}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 641571840

約数和(自身を除く): 380004510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 179, 201, 335, 358, 402, 537, 670, 727, 895, 1005, 1074, 1454, 1790, 2010, 2181, 2685, 3635, 4362, 5370, 7270, 10905, 11993, 21810, 23986, 35979, 48709, 59965, 71958, 97418, 119930, 130133, 146127, 179895, 243545, 260266, 292254, 359790, 390399, 487090, 650665, 730635, 780798, 1301330, 1461270, 1951995, 3903990, 8718911, 17437822, 26156733, 43594555, 52313466, 87189110, 130783665, 261567330]

約数ペア:

[(1, 261567330), (2, 130783665), (3, 87189110), (5, 52313466), (6, 43594555), (10, 26156733), (15, 17437822), (30, 8718911), (67, 3903990), (134, 1951995), (179, 1461270), (201, 1301330), (335, 780798), (358, 730635), (402, 650665), (537, 487090), (670, 390399), (727, 359790), (895, 292254), (1005, 260266), (1074, 243545), (1454, 179895), (1790, 146127), (2010, 130133), (2181, 119930), (2685, 97418), (3635, 71958), (4362, 59965), (5370, 48709), (7270, 35979), (10905, 23986), (11993, 21810)]