55643940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 186338880

約数和(自身を除く): 130694940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 179, 180, 198, 220, 314, 330, 358, 396, 471, 495, 537, 628, 660, 716, 785, 895, 942, 990, 1074, 1413, 1570, 1611, 1727, 1790, 1884, 1969, 1980, 2148, 2355, 2685, 2826, 3140, 3222, 3454, 3580, 3938, 4710, 5181, 5370, 5652, 5907, 6444, 6908, 7065, 7876, 8055, 8635, 9420, 9845, 10362, 10740, 11814, 14130, 15543, 16110, 17270, 17721, 19690, 20724, 23628, 25905, 28103, 28260, 29535, 31086, 32220, 34540, 35442, 39380, 51810, 56206, 59070, 62172, 70884, 77715, 84309, 88605, 103620, 112412, 118140, 140515, 155430, 168618, 177210, 252927, 281030, 309133, 310860, 337236, 354420, 421545, 505854, 562060, 618266, 843090, 927399, 1011708, 1236532, 1264635, 1545665, 1686180, 1854798, 2529270, 2782197, 3091330, 3709596, 4636995, 5058540, 5564394, 6182660, 9273990, 11128788, 13910985, 18547980, 27821970, 55643940]

約数ペア:

[(1, 55643940), (2, 27821970), (3, 18547980), (4, 13910985), (5, 11128788), (6, 9273990), (9, 6182660), (10, 5564394), (11, 5058540), (12, 4636995), (15, 3709596), (18, 3091330), (20, 2782197), (22, 2529270), (30, 1854798), (33, 1686180), (36, 1545665), (44, 1264635), (45, 1236532), (55, 1011708), (60, 927399), (66, 843090), (90, 618266), (99, 562060), (110, 505854), (132, 421545), (157, 354420), (165, 337236), (179, 310860), (180, 309133), (198, 281030), (220, 252927), (314, 177210), (330, 168618), (358, 155430), (396, 140515), (471, 118140), (495, 112412), (537, 103620), (628, 88605), (660, 84309), (716, 77715), (785, 70884), (895, 62172), (942, 59070), (990, 56206), (1074, 51810), (1413, 39380), (1570, 35442), (1611, 34540), (1727, 32220), (1790, 31086), (1884, 29535), (1969, 28260), (1980, 28103), (2148, 25905), (2355, 23628), (2685, 20724), (2826, 19690), (3140, 17721), (3222, 17270), (3454, 16110), (3580, 15543), (3938, 14130), (4710, 11814), (5181, 10740), (5370, 10362), (5652, 9845), (5907, 9420), (6444, 8635), (6908, 8055), (7065, 7876)]