64821840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1657}}^1$

素因数の和:1836

約数の個数: 80

約数和(自身を含む): 202302528

約数和(自身を除く): 137480688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1657, 1956, 2445, 2608, 3260, 3314, 3912, 4890, 4971, 6520, 6628, 7824, 8285, 9780, 9942, 13040, 13256, 16570, 19560, 19884, 24855, 26512, 33140, 39120, 39768, 49710, 66280, 79536, 99420, 132560, 198840, 270091, 397680, 540182, 810273, 1080364, 1350455, 1620546, 2160728, 2700910, 3241092, 4051365, 4321456, 5401820, 6482184, 8102730, 10803640, 12964368, 16205460, 21607280, 32410920, 64821840]

約数ペア:

[(1, 64821840), (2, 32410920), (3, 21607280), (4, 16205460), (5, 12964368), (6, 10803640), (8, 8102730), (10, 6482184), (12, 5401820), (15, 4321456), (16, 4051365), (20, 3241092), (24, 2700910), (30, 2160728), (40, 1620546), (48, 1350455), (60, 1080364), (80, 810273), (120, 540182), (163, 397680), (240, 270091), (326, 198840), (489, 132560), (652, 99420), (815, 79536), (978, 66280), (1304, 49710), (1630, 39768), (1657, 39120), (1956, 33140), (2445, 26512), (2608, 24855), (3260, 19884), (3314, 19560), (3912, 16570), (4890, 13256), (4971, 13040), (6520, 9942), (6628, 9780), (7824, 8285)]