19951200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 216

約数和(自身を含む): 74948328

約数和(自身を除く): 54997128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 32, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 96, 100, 102, 120, 136, 144, 150, 153, 160, 163, 170, 180, 200, 204, 225, 240, 255, 272, 288, 300, 306, 326, 340, 360, 400, 408, 425, 450, 480, 489, 510, 544, 600, 612, 652, 680, 720, 765, 800, 815, 816, 850, 900, 978, 1020, 1200, 1224, 1275, 1304, 1360, 1440, 1467, 1530, 1630, 1632, 1700, 1800, 1956, 2040, 2400, 2445, 2448, 2550, 2608, 2720, 2771, 2934, 3060, 3260, 3400, 3600, 3825, 3912, 4075, 4080, 4890, 4896, 5100, 5216, 5542, 5868, 6120, 6520, 6800, 7200, 7335, 7650, 7824, 8150, 8160, 8313, 9780, 10200, 11084, 11736, 12225, 12240, 13040, 13600, 13855, 14670, 15300, 15648, 16300, 16626, 19560, 20400, 22168, 23472, 24450, 24480, 24939, 26080, 27710, 29340, 30600, 32600, 33252, 36675, 39120, 40800, 41565, 44336, 46944, 48900, 49878, 55420, 58680, 61200, 65200, 66504, 69275, 73350, 78240, 83130, 88672, 97800, 99756, 110840, 117360, 122400, 124695, 130400, 133008, 138550, 146700, 166260, 195600, 199512, 207825, 221680, 234720, 249390, 266016, 277100, 293400, 332520, 391200, 399024, 415650, 443360, 498780, 554200, 586800, 623475, 665040, 798048, 831300, 997560, 1108400, 1173600, 1246950, 1330080, 1662600, 1995120, 2216800, 2493900, 3325200, 3990240, 4987800, 6650400, 9975600, 19951200]

約数ペア:

[(1, 19951200), (2, 9975600), (3, 6650400), (4, 4987800), (5, 3990240), (6, 3325200), (8, 2493900), (9, 2216800), (10, 1995120), (12, 1662600), (15, 1330080), (16, 1246950), (17, 1173600), (18, 1108400), (20, 997560), (24, 831300), (25, 798048), (30, 665040), (32, 623475), (34, 586800), (36, 554200), (40, 498780), (45, 443360), (48, 415650), (50, 399024), (51, 391200), (60, 332520), (68, 293400), (72, 277100), (75, 266016), (80, 249390), (85, 234720), (90, 221680), (96, 207825), (100, 199512), (102, 195600), (120, 166260), (136, 146700), (144, 138550), (150, 133008), (153, 130400), (160, 124695), (163, 122400), (170, 117360), (180, 110840), (200, 99756), (204, 97800), (225, 88672), (240, 83130), (255, 78240), (272, 73350), (288, 69275), (300, 66504), (306, 65200), (326, 61200), (340, 58680), (360, 55420), (400, 49878), (408, 48900), (425, 46944), (450, 44336), (480, 41565), (489, 40800), (510, 39120), (544, 36675), (600, 33252), (612, 32600), (652, 30600), (680, 29340), (720, 27710), (765, 26080), (800, 24939), (815, 24480), (816, 24450), (850, 23472), (900, 22168), (978, 20400), (1020, 19560), (1200, 16626), (1224, 16300), (1275, 15648), (1304, 15300), (1360, 14670), (1440, 13855), (1467, 13600), (1530, 13040), (1630, 12240), (1632, 12225), (1700, 11736), (1800, 11084), (1956, 10200), (2040, 9780), (2400, 8313), (2445, 8160), (2448, 8150), (2550, 7824), (2608, 7650), (2720, 7335), (2771, 7200), (2934, 6800), (3060, 6520), (3260, 6120), (3400, 5868), (3600, 5542), (3825, 5216), (3912, 5100), (4075, 4896), (4080, 4890)]