30807280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 86512320

約数和(自身を除く): 55705040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 271, 280, 290, 392, 406, 464, 490, 542, 560, 580, 784, 812, 980, 1015, 1084, 1160, 1355, 1421, 1624, 1897, 1960, 2030, 2168, 2320, 2710, 2842, 3248, 3794, 3920, 4060, 4336, 5420, 5684, 7105, 7588, 7859, 8120, 9485, 10840, 11368, 13279, 14210, 15176, 15718, 16240, 18970, 21680, 22736, 26558, 28420, 30352, 31436, 37940, 39295, 53116, 55013, 56840, 62872, 66395, 75880, 78590, 106232, 110026, 113680, 125744, 132790, 151760, 157180, 212464, 220052, 265580, 275065, 314360, 385091, 440104, 531160, 550130, 628720, 770182, 880208, 1062320, 1100260, 1540364, 1925455, 2200520, 3080728, 3850910, 4401040, 6161456, 7701820, 15403640, 30807280]

約数ペア:

[(1, 30807280), (2, 15403640), (4, 7701820), (5, 6161456), (7, 4401040), (8, 3850910), (10, 3080728), (14, 2200520), (16, 1925455), (20, 1540364), (28, 1100260), (29, 1062320), (35, 880208), (40, 770182), (49, 628720), (56, 550130), (58, 531160), (70, 440104), (80, 385091), (98, 314360), (112, 275065), (116, 265580), (140, 220052), (145, 212464), (196, 157180), (203, 151760), (232, 132790), (245, 125744), (271, 113680), (280, 110026), (290, 106232), (392, 78590), (406, 75880), (464, 66395), (490, 62872), (542, 56840), (560, 55013), (580, 53116), (784, 39295), (812, 37940), (980, 31436), (1015, 30352), (1084, 28420), (1160, 26558), (1355, 22736), (1421, 21680), (1624, 18970), (1897, 16240), (1960, 15718), (2030, 15176), (2168, 14210), (2320, 13279), (2710, 11368), (2842, 10840), (3248, 9485), (3794, 8120), (3920, 7859), (4060, 7588), (4336, 7105), (5420, 5684)]