19711200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 65995776

約数和(自身を除く): 46284576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 75, 80, 86, 96, 100, 120, 129, 150, 160, 172, 191, 200, 215, 240, 258, 300, 344, 382, 400, 430, 480, 516, 573, 600, 645, 688, 764, 800, 860, 955, 1032, 1075, 1146, 1200, 1290, 1376, 1528, 1720, 1910, 2064, 2150, 2292, 2400, 2580, 2865, 3056, 3225, 3440, 3820, 4128, 4300, 4584, 4775, 5160, 5730, 6112, 6450, 6880, 7640, 8213, 8600, 9168, 9550, 10320, 11460, 12900, 14325, 15280, 16426, 17200, 18336, 19100, 20640, 22920, 24639, 25800, 28650, 30560, 32852, 34400, 38200, 41065, 45840, 49278, 51600, 57300, 65704, 76400, 82130, 91680, 98556, 103200, 114600, 123195, 131408, 152800, 164260, 197112, 205325, 229200, 246390, 262816, 328520, 394224, 410650, 458400, 492780, 615975, 657040, 788448, 821300, 985560, 1231950, 1314080, 1642600, 1971120, 2463900, 3285200, 3942240, 4927800, 6570400, 9855600, 19711200]

約数ペア:

[(1, 19711200), (2, 9855600), (3, 6570400), (4, 4927800), (5, 3942240), (6, 3285200), (8, 2463900), (10, 1971120), (12, 1642600), (15, 1314080), (16, 1231950), (20, 985560), (24, 821300), (25, 788448), (30, 657040), (32, 615975), (40, 492780), (43, 458400), (48, 410650), (50, 394224), (60, 328520), (75, 262816), (80, 246390), (86, 229200), (96, 205325), (100, 197112), (120, 164260), (129, 152800), (150, 131408), (160, 123195), (172, 114600), (191, 103200), (200, 98556), (215, 91680), (240, 82130), (258, 76400), (300, 65704), (344, 57300), (382, 51600), (400, 49278), (430, 45840), (480, 41065), (516, 38200), (573, 34400), (600, 32852), (645, 30560), (688, 28650), (764, 25800), (800, 24639), (860, 22920), (955, 20640), (1032, 19100), (1075, 18336), (1146, 17200), (1200, 16426), (1290, 15280), (1376, 14325), (1528, 12900), (1720, 11460), (1910, 10320), (2064, 9550), (2150, 9168), (2292, 8600), (2400, 8213), (2580, 7640), (2865, 6880), (3056, 6450), (3225, 6112), (3440, 5730), (3820, 5160), (4128, 4775), (4300, 4584)]