220338720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21859}}^1$

素因数の和:21887

約数の個数: 144

約数和(自身を含む): 859360320

約数和(自身を除く): 639021600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21859, 43718, 65577, 87436, 109295, 131154, 153013, 174872, 196731, 218590, 262308, 306026, 327885, 349744, 393462, 437180, 459039, 524616, 612052, 655770, 699488, 765065, 786924, 874360, 918078, 983655, 1049232, 1224104, 1311540, 1377117, 1530130, 1573848, 1748720, 1836156, 1967310, 2098464, 2295195, 2448208, 2623080, 2754234, 3060260, 3147696, 3497440, 3672312, 3934620, 4590390, 4896416, 5246160, 5508468, 6120520, 6295392, 6885585, 7344624, 7869240, 9180780, 10492320, 11016936, 12241040, 13771170, 14689248, 15738480, 18361560, 22033872, 24482080, 27542340, 31476960, 36723120, 44067744, 55084680, 73446240, 110169360, 220338720]

約数ペア:

[(1, 220338720), (2, 110169360), (3, 73446240), (4, 55084680), (5, 44067744), (6, 36723120), (7, 31476960), (8, 27542340), (9, 24482080), (10, 22033872), (12, 18361560), (14, 15738480), (15, 14689248), (16, 13771170), (18, 12241040), (20, 11016936), (21, 10492320), (24, 9180780), (28, 7869240), (30, 7344624), (32, 6885585), (35, 6295392), (36, 6120520), (40, 5508468), (42, 5246160), (45, 4896416), (48, 4590390), (56, 3934620), (60, 3672312), (63, 3497440), (70, 3147696), (72, 3060260), (80, 2754234), (84, 2623080), (90, 2448208), (96, 2295195), (105, 2098464), (112, 1967310), (120, 1836156), (126, 1748720), (140, 1573848), (144, 1530130), (160, 1377117), (168, 1311540), (180, 1224104), (210, 1049232), (224, 983655), (240, 918078), (252, 874360), (280, 786924), (288, 765065), (315, 699488), (336, 655770), (360, 612052), (420, 524616), (480, 459039), (504, 437180), (560, 393462), (630, 349744), (672, 327885), (720, 306026), (840, 262308), (1008, 218590), (1120, 196731), (1260, 174872), (1440, 153013), (1680, 131154), (2016, 109295), (2520, 87436), (3360, 65577), (5040, 43718), (10080, 21859)]