30871620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 102735360

約数和(自身を除く): 71863740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 117, 130, 156, 158, 167, 180, 195, 234, 237, 260, 316, 334, 390, 395, 468, 474, 501, 585, 668, 711, 780, 790, 835, 948, 1002, 1027, 1170, 1185, 1422, 1503, 1580, 1670, 2004, 2054, 2171, 2340, 2370, 2505, 2844, 3006, 3081, 3340, 3555, 4108, 4342, 4740, 5010, 5135, 6012, 6162, 6513, 7110, 7515, 8684, 9243, 10020, 10270, 10855, 12324, 13026, 13193, 14220, 15030, 15405, 18486, 19539, 20540, 21710, 26052, 26386, 30060, 30810, 32565, 36972, 39078, 39579, 43420, 46215, 52772, 61620, 65130, 65965, 78156, 79158, 92430, 97695, 118737, 130260, 131930, 158316, 171509, 184860, 195390, 197895, 237474, 263860, 343018, 390780, 395790, 474948, 514527, 593685, 686036, 791580, 857545, 1029054, 1187370, 1543581, 1715090, 2058108, 2374740, 2572635, 3087162, 3430180, 5145270, 6174324, 7717905, 10290540, 15435810, 30871620]

約数ペア:

[(1, 30871620), (2, 15435810), (3, 10290540), (4, 7717905), (5, 6174324), (6, 5145270), (9, 3430180), (10, 3087162), (12, 2572635), (13, 2374740), (15, 2058108), (18, 1715090), (20, 1543581), (26, 1187370), (30, 1029054), (36, 857545), (39, 791580), (45, 686036), (52, 593685), (60, 514527), (65, 474948), (78, 395790), (79, 390780), (90, 343018), (117, 263860), (130, 237474), (156, 197895), (158, 195390), (167, 184860), (180, 171509), (195, 158316), (234, 131930), (237, 130260), (260, 118737), (316, 97695), (334, 92430), (390, 79158), (395, 78156), (468, 65965), (474, 65130), (501, 61620), (585, 52772), (668, 46215), (711, 43420), (780, 39579), (790, 39078), (835, 36972), (948, 32565), (1002, 30810), (1027, 30060), (1170, 26386), (1185, 26052), (1422, 21710), (1503, 20540), (1580, 19539), (1670, 18486), (2004, 15405), (2054, 15030), (2171, 14220), (2340, 13193), (2370, 13026), (2505, 12324), (2844, 10855), (3006, 10270), (3081, 10020), (3340, 9243), (3555, 8684), (4108, 7515), (4342, 7110), (4740, 6513), (5010, 6162), (5135, 6012)]