647494020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 192

約数和(自身を含む): 2104704000

約数和(自身を除く): 1457209980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 173, 174, 180, 239, 261, 270, 290, 346, 348, 435, 478, 519, 522, 540, 580, 692, 717, 783, 865, 870, 956, 1038, 1044, 1195, 1305, 1434, 1557, 1566, 1730, 1740, 2076, 2151, 2390, 2595, 2610, 2868, 3114, 3132, 3460, 3585, 3915, 4302, 4671, 4780, 5017, 5190, 5220, 6228, 6453, 6931, 7170, 7785, 7830, 8604, 9342, 10034, 10380, 10755, 12906, 13862, 14340, 15051, 15570, 15660, 18684, 20068, 20793, 21510, 23355, 25085, 25812, 27724, 30102, 31140, 32265, 34655, 41347, 41586, 43020, 45153, 46710, 50170, 60204, 62379, 64530, 69310, 75255, 82694, 83172, 90306, 93420, 100340, 103965, 124041, 124758, 129060, 135459, 138620, 150510, 165388, 180612, 187137, 206735, 207930, 225765, 248082, 249516, 270918, 301020, 311895, 372123, 374274, 413470, 415860, 451530, 496164, 541836, 620205, 623790, 677295, 744246, 748548, 826940, 903060, 935685, 1116369, 1199063, 1240410, 1247580, 1354590, 1488492, 1860615, 1871370, 2232738, 2398126, 2480820, 2709180, 3597189, 3721230, 3742740, 4465476, 4796252, 5581845, 5995315, 7194378, 7442460, 10791567, 11163690, 11990630, 14388756, 17985945, 21583134, 22327380, 23981260, 32374701, 35971890, 43166268, 53957835, 64749402, 71943780, 107915670, 129498804, 161873505, 215831340, 323747010, 647494020]

約数ペア:

[(1, 647494020), (2, 323747010), (3, 215831340), (4, 161873505), (5, 129498804), (6, 107915670), (9, 71943780), (10, 64749402), (12, 53957835), (15, 43166268), (18, 35971890), (20, 32374701), (27, 23981260), (29, 22327380), (30, 21583134), (36, 17985945), (45, 14388756), (54, 11990630), (58, 11163690), (60, 10791567), (87, 7442460), (90, 7194378), (108, 5995315), (116, 5581845), (135, 4796252), (145, 4465476), (173, 3742740), (174, 3721230), (180, 3597189), (239, 2709180), (261, 2480820), (270, 2398126), (290, 2232738), (346, 1871370), (348, 1860615), (435, 1488492), (478, 1354590), (519, 1247580), (522, 1240410), (540, 1199063), (580, 1116369), (692, 935685), (717, 903060), (783, 826940), (865, 748548), (870, 744246), (956, 677295), (1038, 623790), (1044, 620205), (1195, 541836), (1305, 496164), (1434, 451530), (1557, 415860), (1566, 413470), (1730, 374274), (1740, 372123), (2076, 311895), (2151, 301020), (2390, 270918), (2595, 249516), (2610, 248082), (2868, 225765), (3114, 207930), (3132, 206735), (3460, 187137), (3585, 180612), (3915, 165388), (4302, 150510), (4671, 138620), (4780, 135459), (5017, 129060), (5190, 124758), (5220, 124041), (6228, 103965), (6453, 100340), (6931, 93420), (7170, 90306), (7785, 83172), (7830, 82694), (8604, 75255), (9342, 69310), (10034, 64530), (10380, 62379), (10755, 60204), (12906, 50170), (13862, 46710), (14340, 45153), (15051, 43020), (15570, 41586), (15660, 41347), (18684, 34655), (20068, 32265), (20793, 31140), (21510, 30102), (23355, 27724), (25085, 25812)]