201780180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{53381}}^1$

素因数の和:53406

約数の個数: 96

約数和(自身を含む): 717454080

約数和(自身を除く): 515673900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 53381, 106762, 160143, 213524, 266905, 320286, 373667, 480429, 533810, 640572, 747334, 800715, 960858, 1067620, 1121001, 1441287, 1494668, 1601430, 1868335, 1921716, 2242002, 2402145, 2882574, 3202860, 3363003, 3736670, 4484004, 4804290, 5605005, 5765148, 6726006, 7206435, 7473340, 9608580, 10089009, 11210010, 13452012, 14412870, 16815015, 20178018, 22420020, 28825740, 33630030, 40356036, 50445045, 67260060, 100890090, 201780180]

約数ペア:

[(1, 201780180), (2, 100890090), (3, 67260060), (4, 50445045), (5, 40356036), (6, 33630030), (7, 28825740), (9, 22420020), (10, 20178018), (12, 16815015), (14, 14412870), (15, 13452012), (18, 11210010), (20, 10089009), (21, 9608580), (27, 7473340), (28, 7206435), (30, 6726006), (35, 5765148), (36, 5605005), (42, 4804290), (45, 4484004), (54, 3736670), (60, 3363003), (63, 3202860), (70, 2882574), (84, 2402145), (90, 2242002), (105, 1921716), (108, 1868335), (126, 1601430), (135, 1494668), (140, 1441287), (180, 1121001), (189, 1067620), (210, 960858), (252, 800715), (270, 747334), (315, 640572), (378, 533810), (420, 480429), (540, 373667), (630, 320286), (756, 266905), (945, 213524), (1260, 160143), (1890, 106762), (3780, 53381)]