666273720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{13003}}^1$

素因数の和:13085

約数の個数: 128

約数和(自身を含む): 2321994240

約数和(自身を除く): 1655720520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 13003, 17080, 25620, 26006, 39009, 51240, 52012, 65015, 78018, 91021, 104024, 130030, 156036, 182042, 195045, 260060, 273063, 312072, 364084, 390090, 455105, 520120, 546126, 728168, 780180, 793183, 910210, 1092252, 1365315, 1560360, 1586366, 1820420, 2184504, 2379549, 2730630, 3172732, 3640840, 3965915, 4759098, 5461260, 5552281, 6345464, 7931830, 9518196, 10922520, 11104562, 11897745, 15863660, 16656843, 19036392, 22209124, 23795490, 27761405, 31727320, 33313686, 44418248, 47590980, 55522810, 66627372, 83284215, 95181960, 111045620, 133254744, 166568430, 222091240, 333136860, 666273720]

約数ペア:

[(1, 666273720), (2, 333136860), (3, 222091240), (4, 166568430), (5, 133254744), (6, 111045620), (7, 95181960), (8, 83284215), (10, 66627372), (12, 55522810), (14, 47590980), (15, 44418248), (20, 33313686), (21, 31727320), (24, 27761405), (28, 23795490), (30, 22209124), (35, 19036392), (40, 16656843), (42, 15863660), (56, 11897745), (60, 11104562), (61, 10922520), (70, 9518196), (84, 7931830), (105, 6345464), (120, 5552281), (122, 5461260), (140, 4759098), (168, 3965915), (183, 3640840), (210, 3172732), (244, 2730630), (280, 2379549), (305, 2184504), (366, 1820420), (420, 1586366), (427, 1560360), (488, 1365315), (610, 1092252), (732, 910210), (840, 793183), (854, 780180), (915, 728168), (1220, 546126), (1281, 520120), (1464, 455105), (1708, 390090), (1830, 364084), (2135, 312072), (2440, 273063), (2562, 260060), (3416, 195045), (3660, 182042), (4270, 156036), (5124, 130030), (6405, 104024), (7320, 91021), (8540, 78018), (10248, 65015), (12810, 52012), (13003, 51240), (17080, 39009), (25620, 26006)]