221328691200

素因数分解:

$2^{12}\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 936

約数和(自身を含む): 838288695296

約数和(自身を除く): 616960004096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 32, 36, 40, 45, 48, 50, 60, 61, 62, 64, 72, 75, 80, 90, 93, 96, 100, 120, 122, 124, 127, 128, 144, 150, 155, 160, 180, 183, 186, 192, 200, 225, 240, 244, 248, 254, 256, 279, 288, 300, 305, 310, 320, 360, 366, 372, 381, 384, 400, 450, 465, 480, 488, 496, 508, 512, 549, 558, 576, 600, 610, 620, 635, 640, 720, 732, 744, 762, 768, 775, 800, 900, 915, 930, 960, 976, 992, 1016, 1024, 1098, 1116, 1143, 1152, 1200, 1220, 1240, 1270, 1280, 1395, 1440, 1464, 1488, 1524, 1525, 1536, 1550, 1600, 1800, 1830, 1860, 1891, 1905, 1920, 1952, 1984, 2032, 2048, 2196, 2232, 2286, 2304, 2325, 2400, 2440, 2480, 2540, 2560, 2745, 2790, 2880, 2928, 2976, 3048, 3050, 3072, 3100, 3175, 3200, 3600, 3660, 3720, 3782, 3810, 3840, 3904, 3937, 3968, 4064, 4096, 4392, 4464, 4572, 4575, 4608, 4650, 4800, 4880, 4960, 5080, 5120, 5490, 5580, 5673, 5715, 5760, 5856, 5952, 6096, 6100, 6144, 6200, 6350, 6400, 6975, 7200, 7320, 7440, 7564, 7620, 7680, 7747, 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約数ペア:

[(1, 221328691200), (2, 110664345600), (3, 73776230400), (4, 55332172800), (5, 44265738240), (6, 36888115200), (8, 27666086400), (9, 24592076800), (10, 22132869120), (12, 18444057600), (15, 14755246080), (16, 13833043200), (18, 12296038400), (20, 11066434560), (24, 9222028800), (25, 8853147648), (30, 7377623040), (31, 7139635200), (32, 6916521600), (36, 6148019200), (40, 5533217280), (45, 4918415360), (48, 4611014400), (50, 4426573824), (60, 3688811520), (61, 3628339200), (62, 3569817600), (64, 3458260800), (72, 3074009600), (75, 2951049216), (80, 2766608640), (90, 2459207680), (93, 2379878400), (96, 2305507200), (100, 2213286912), (120, 1844405760), (122, 1814169600), (124, 1784908800), (127, 1742745600), (128, 1729130400), (144, 1537004800), (150, 1475524608), (155, 1427927040), (160, 1383304320), (180, 1229603840), (183, 1209446400), (186, 1189939200), (192, 1152753600), (200, 1106643456), (225, 983683072), (240, 922202880), (244, 907084800), (248, 892454400), (254, 871372800), 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