18698040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 65340000

約数和(自身を除く): 46641960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 199, 216, 232, 261, 270, 290, 324, 348, 360, 398, 405, 435, 522, 540, 580, 597, 648, 696, 783, 796, 810, 870, 995, 1044, 1080, 1160, 1194, 1305, 1566, 1592, 1620, 1740, 1791, 1990, 2088, 2349, 2388, 2610, 2985, 3132, 3240, 3480, 3582, 3915, 3980, 4698, 4776, 5220, 5373, 5771, 5970, 6264, 7164, 7830, 7960, 8955, 9396, 10440, 10746, 11542, 11745, 11940, 14328, 15660, 16119, 17313, 17910, 18792, 21492, 23084, 23490, 23880, 26865, 28855, 31320, 32238, 34626, 35820, 42984, 46168, 46980, 51939, 53730, 57710, 64476, 69252, 71640, 80595, 86565, 93960, 103878, 107460, 115420, 128952, 138504, 155817, 161190, 173130, 207756, 214920, 230840, 259695, 311634, 322380, 346260, 415512, 467451, 519390, 623268, 644760, 692520, 779085, 934902, 1038780, 1246536, 1558170, 1869804, 2077560, 2337255, 3116340, 3739608, 4674510, 6232680, 9349020, 18698040]

約数ペア:

[(1, 18698040), (2, 9349020), (3, 6232680), (4, 4674510), (5, 3739608), (6, 3116340), (8, 2337255), (9, 2077560), (10, 1869804), (12, 1558170), (15, 1246536), (18, 1038780), (20, 934902), (24, 779085), (27, 692520), (29, 644760), (30, 623268), (36, 519390), (40, 467451), (45, 415512), (54, 346260), (58, 322380), (60, 311634), (72, 259695), (81, 230840), (87, 214920), (90, 207756), (108, 173130), (116, 161190), (120, 155817), (135, 138504), (145, 128952), (162, 115420), (174, 107460), (180, 103878), (199, 93960), (216, 86565), (232, 80595), (261, 71640), (270, 69252), (290, 64476), (324, 57710), (348, 53730), (360, 51939), (398, 46980), (405, 46168), (435, 42984), (522, 35820), (540, 34626), (580, 32238), (597, 31320), (648, 28855), (696, 26865), (783, 23880), (796, 23490), (810, 23084), (870, 21492), (995, 18792), (1044, 17910), (1080, 17313), (1160, 16119), (1194, 15660), (1305, 14328), (1566, 11940), (1592, 11745), (1620, 11542), (1740, 10746), (1791, 10440), (1990, 9396), (2088, 8955), (2349, 7960), (2388, 7830), (2610, 7164), (2985, 6264), (3132, 5970), (3240, 5771), (3480, 5373), (3582, 5220), (3915, 4776), (3980, 4698)]