64663020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2411}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 197542800

約数和(自身を除く): 132879780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2411, 2682, 2980, 4470, 4822, 5364, 6705, 7233, 8940, 9644, 12055, 13410, 14466, 21699, 24110, 26820, 28932, 36165, 43398, 48220, 72330, 86796, 108495, 144660, 216990, 359239, 433980, 718478, 1077717, 1436956, 1796195, 2155434, 3233151, 3592390, 4310868, 5388585, 6466302, 7184780, 10777170, 12932604, 16165755, 21554340, 32331510, 64663020]

約数ペア:

[(1, 64663020), (2, 32331510), (3, 21554340), (4, 16165755), (5, 12932604), (6, 10777170), (9, 7184780), (10, 6466302), (12, 5388585), (15, 4310868), (18, 3592390), (20, 3233151), (30, 2155434), (36, 1796195), (45, 1436956), (60, 1077717), (90, 718478), (149, 433980), (180, 359239), (298, 216990), (447, 144660), (596, 108495), (745, 86796), (894, 72330), (1341, 48220), (1490, 43398), (1788, 36165), (2235, 28932), (2411, 26820), (2682, 24110), (2980, 21699), (4470, 14466), (4822, 13410), (5364, 12055), (6705, 9644), (7233, 8940)]