215031996

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 589783040

約数和(自身を除く): 374751044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 79, 81, 93, 108, 124, 158, 162, 186, 237, 271, 279, 316, 324, 372, 474, 542, 558, 711, 813, 837, 948, 1084, 1116, 1422, 1626, 1674, 2133, 2439, 2449, 2511, 2844, 3252, 3348, 4266, 4878, 4898, 5022, 6399, 7317, 7347, 8401, 8532, 9756, 9796, 10044, 12798, 14634, 14694, 16802, 21409, 21951, 22041, 25203, 25596, 29268, 29388, 33604, 42818, 43902, 44082, 50406, 64227, 66123, 75609, 85636, 87804, 88164, 100812, 128454, 132246, 151218, 192681, 198369, 226827, 256908, 264492, 302436, 385362, 396738, 453654, 578043, 663679, 680481, 770724, 793476, 907308, 1156086, 1327358, 1360962, 1734129, 1991037, 2312172, 2654716, 2721924, 3468258, 3982074, 5973111, 6936516, 7964148, 11946222, 17919333, 23892444, 35838666, 53757999, 71677332, 107515998, 215031996]

約数ペア:

[(1, 215031996), (2, 107515998), (3, 71677332), (4, 53757999), (6, 35838666), (9, 23892444), (12, 17919333), (18, 11946222), (27, 7964148), (31, 6936516), (36, 5973111), (54, 3982074), (62, 3468258), (79, 2721924), (81, 2654716), (93, 2312172), (108, 1991037), (124, 1734129), (158, 1360962), (162, 1327358), (186, 1156086), (237, 907308), (271, 793476), (279, 770724), (316, 680481), (324, 663679), (372, 578043), (474, 453654), (542, 396738), (558, 385362), (711, 302436), (813, 264492), (837, 256908), (948, 226827), (1084, 198369), (1116, 192681), (1422, 151218), (1626, 132246), (1674, 128454), (2133, 100812), (2439, 88164), (2449, 87804), (2511, 85636), (2844, 75609), (3252, 66123), (3348, 64227), (4266, 50406), (4878, 44082), (4898, 43902), (5022, 42818), (6399, 33604), (7317, 29388), (7347, 29268), (8401, 25596), (8532, 25203), (9756, 22041), (9796, 21951), (10044, 21409), (12798, 16802), (14634, 14694)]