42208740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 147987840

約数和(自身を除く): 105779100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 241, 252, 278, 315, 417, 420, 482, 556, 630, 695, 723, 834, 964, 973, 1205, 1251, 1260, 1390, 1446, 1668, 1687, 1946, 2085, 2169, 2410, 2502, 2780, 2892, 2919, 3374, 3615, 3892, 4170, 4338, 4820, 4865, 5004, 5061, 5838, 6255, 6748, 7230, 8340, 8435, 8676, 8757, 9730, 10122, 10845, 11676, 12510, 14460, 14595, 15183, 16870, 17514, 19460, 20244, 21690, 25020, 25305, 29190, 30366, 33499, 33740, 35028, 43380, 43785, 50610, 58380, 60732, 66998, 75915, 87570, 100497, 101220, 133996, 151830, 167495, 175140, 200994, 234493, 301491, 303660, 334990, 401988, 468986, 502485, 602982, 669980, 703479, 937972, 1004970, 1172465, 1205964, 1406958, 1507455, 2009940, 2110437, 2344930, 2813916, 3014910, 3517395, 4220874, 4689860, 6029820, 7034790, 8441748, 10552185, 14069580, 21104370, 42208740]

約数ペア:

[(1, 42208740), (2, 21104370), (3, 14069580), (4, 10552185), (5, 8441748), (6, 7034790), (7, 6029820), (9, 4689860), (10, 4220874), (12, 3517395), (14, 3014910), (15, 2813916), (18, 2344930), (20, 2110437), (21, 2009940), (28, 1507455), (30, 1406958), (35, 1205964), (36, 1172465), (42, 1004970), (45, 937972), (60, 703479), (63, 669980), (70, 602982), (84, 502485), (90, 468986), (105, 401988), (126, 334990), (139, 303660), (140, 301491), (180, 234493), (210, 200994), (241, 175140), (252, 167495), (278, 151830), (315, 133996), (417, 101220), (420, 100497), (482, 87570), (556, 75915), (630, 66998), (695, 60732), (723, 58380), (834, 50610), (964, 43785), (973, 43380), (1205, 35028), (1251, 33740), (1260, 33499), (1390, 30366), (1446, 29190), (1668, 25305), (1687, 25020), (1946, 21690), (2085, 20244), (2169, 19460), (2410, 17514), (2502, 16870), (2780, 15183), (2892, 14595), (2919, 14460), (3374, 12510), (3615, 11676), (3892, 10845), (4170, 10122), (4338, 9730), (4820, 8757), (4865, 8676), (5004, 8435), (5061, 8340), (5838, 7230), (6255, 6748)]