27321990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 68160960

約数和(自身を除く): 40838970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 97, 123, 194, 205, 229, 246, 291, 410, 458, 485, 582, 615, 687, 970, 1145, 1230, 1374, 1455, 2290, 2910, 3435, 3977, 6870, 7954, 9389, 11931, 18778, 19885, 22213, 23862, 28167, 39770, 44426, 46945, 56334, 59655, 66639, 93890, 111065, 119310, 133278, 140835, 222130, 281670, 333195, 666390, 910733, 1821466, 2732199, 4553665, 5464398, 9107330, 13660995, 27321990]

約数ペア:

[(1, 27321990), (2, 13660995), (3, 9107330), (5, 5464398), (6, 4553665), (10, 2732199), (15, 1821466), (30, 910733), (41, 666390), (82, 333195), (97, 281670), (123, 222130), (194, 140835), (205, 133278), (229, 119310), (246, 111065), (291, 93890), (410, 66639), (458, 59655), (485, 56334), (582, 46945), (615, 44426), (687, 39770), (970, 28167), (1145, 23862), (1230, 22213), (1374, 19885), (1455, 18778), (2290, 11931), (2910, 9389), (3435, 7954), (3977, 6870)]