30385040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1920

約数の個数: 80

約数和(自身を含む): 83566080

約数和(自身を除く): 53181040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1871, 2030, 2320, 3248, 3742, 4060, 7484, 8120, 9355, 13097, 14968, 16240, 18710, 26194, 29936, 37420, 52388, 54259, 65485, 74840, 104776, 108518, 130970, 149680, 209552, 217036, 261940, 271295, 379813, 434072, 523880, 542590, 759626, 868144, 1047760, 1085180, 1519252, 1899065, 2170360, 3038504, 3798130, 4340720, 6077008, 7596260, 15192520, 30385040]

約数ペア:

[(1, 30385040), (2, 15192520), (4, 7596260), (5, 6077008), (7, 4340720), (8, 3798130), (10, 3038504), (14, 2170360), (16, 1899065), (20, 1519252), (28, 1085180), (29, 1047760), (35, 868144), (40, 759626), (56, 542590), (58, 523880), (70, 434072), (80, 379813), (112, 271295), (116, 261940), (140, 217036), (145, 209552), (203, 149680), (232, 130970), (280, 108518), (290, 104776), (406, 74840), (464, 65485), (560, 54259), (580, 52388), (812, 37420), (1015, 29936), (1160, 26194), (1624, 18710), (1871, 16240), (2030, 14968), (2320, 13097), (3248, 9355), (3742, 8120), (4060, 7484)]