77615020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2783

約数の個数: 72

約数和(自身を含む): 196212240

約数和(自身を除く): 118597220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2731, 2842, 4060, 5462, 5684, 7105, 10924, 13655, 14210, 19117, 27310, 28420, 38234, 54620, 76468, 79199, 95585, 133819, 158398, 191170, 267638, 316796, 382340, 395995, 535276, 554393, 669095, 791990, 1108786, 1338190, 1583980, 2217572, 2676380, 2771965, 3880751, 5543930, 7761502, 11087860, 15523004, 19403755, 38807510, 77615020]

約数ペア:

[(1, 77615020), (2, 38807510), (4, 19403755), (5, 15523004), (7, 11087860), (10, 7761502), (14, 5543930), (20, 3880751), (28, 2771965), (29, 2676380), (35, 2217572), (49, 1583980), (58, 1338190), (70, 1108786), (98, 791990), (116, 669095), (140, 554393), (145, 535276), (196, 395995), (203, 382340), (245, 316796), (290, 267638), (406, 191170), (490, 158398), (580, 133819), (812, 95585), (980, 79199), (1015, 76468), (1421, 54620), (2030, 38234), (2731, 28420), (2842, 27310), (4060, 19117), (5462, 14210), (5684, 13655), (7105, 10924)]