30759440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 75233280

約数和(自身を除く): 44473840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 157, 158, 248, 310, 314, 316, 395, 496, 620, 628, 632, 785, 790, 1240, 1256, 1264, 1570, 1580, 2449, 2480, 2512, 3140, 3160, 4867, 4898, 6280, 6320, 9734, 9796, 12245, 12403, 12560, 19468, 19592, 24335, 24490, 24806, 38936, 39184, 48670, 48980, 49612, 62015, 77872, 97340, 97960, 99224, 124030, 194680, 195920, 198448, 248060, 384493, 389360, 496120, 768986, 992240, 1537972, 1922465, 3075944, 3844930, 6151888, 7689860, 15379720, 30759440]

約数ペア:

[(1, 30759440), (2, 15379720), (4, 7689860), (5, 6151888), (8, 3844930), (10, 3075944), (16, 1922465), (20, 1537972), (31, 992240), (40, 768986), (62, 496120), (79, 389360), (80, 384493), (124, 248060), (155, 198448), (157, 195920), (158, 194680), (248, 124030), (310, 99224), (314, 97960), (316, 97340), (395, 77872), (496, 62015), (620, 49612), (628, 48980), (632, 48670), (785, 39184), (790, 38936), (1240, 24806), (1256, 24490), (1264, 24335), (1570, 19592), (1580, 19468), (2449, 12560), (2480, 12403), (2512, 12245), (3140, 9796), (3160, 9734), (4867, 6320), (4898, 6280)]