23457420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{18617}}^1$

素因数の和:18639

約数の個数: 72

約数和(自身を含む): 81323424

約数和(自身を除く): 57866004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 18617, 37234, 55851, 74468, 93085, 111702, 130319, 167553, 186170, 223404, 260638, 279255, 335106, 372340, 390957, 521276, 558510, 651595, 670212, 781914, 837765, 1117020, 1172871, 1303190, 1563828, 1675530, 1954785, 2345742, 2606380, 3351060, 3909570, 4691484, 5864355, 7819140, 11728710, 23457420]

約数ペア:

[(1, 23457420), (2, 11728710), (3, 7819140), (4, 5864355), (5, 4691484), (6, 3909570), (7, 3351060), (9, 2606380), (10, 2345742), (12, 1954785), (14, 1675530), (15, 1563828), (18, 1303190), (20, 1172871), (21, 1117020), (28, 837765), (30, 781914), (35, 670212), (36, 651595), (42, 558510), (45, 521276), (60, 390957), (63, 372340), (70, 335106), (84, 279255), (90, 260638), (105, 223404), (126, 186170), (140, 167553), (180, 130319), (210, 111702), (252, 93085), (315, 74468), (420, 55851), (630, 37234), (1260, 18617)]