30195720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 102297600

約数和(自身を除く): 72101880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 360, 365, 383, 438, 540, 584, 657, 730, 766, 876, 1080, 1095, 1149, 1314, 1460, 1532, 1752, 1915, 1971, 2190, 2298, 2628, 2920, 3064, 3285, 3447, 3830, 3942, 4380, 4596, 5256, 5745, 6570, 6894, 7660, 7884, 8760, 9192, 9855, 10341, 11490, 13140, 13788, 15320, 15768, 17235, 19710, 20682, 22980, 26280, 27576, 27959, 34470, 39420, 41364, 45960, 51705, 55918, 68940, 78840, 82728, 83877, 103410, 111836, 137880, 139795, 167754, 206820, 223672, 251631, 279590, 335508, 413640, 419385, 503262, 559180, 671016, 754893, 838770, 1006524, 1118360, 1258155, 1509786, 1677540, 2013048, 2516310, 3019572, 3355080, 3774465, 5032620, 6039144, 7548930, 10065240, 15097860, 30195720]

約数ペア:

[(1, 30195720), (2, 15097860), (3, 10065240), (4, 7548930), (5, 6039144), (6, 5032620), (8, 3774465), (9, 3355080), (10, 3019572), (12, 2516310), (15, 2013048), (18, 1677540), (20, 1509786), (24, 1258155), (27, 1118360), (30, 1006524), (36, 838770), (40, 754893), (45, 671016), (54, 559180), (60, 503262), (72, 419385), (73, 413640), (90, 335508), (108, 279590), (120, 251631), (135, 223672), (146, 206820), (180, 167754), (216, 139795), (219, 137880), (270, 111836), (292, 103410), (360, 83877), (365, 82728), (383, 78840), (438, 68940), (540, 55918), (584, 51705), (657, 45960), (730, 41364), (766, 39420), (876, 34470), (1080, 27959), (1095, 27576), (1149, 26280), (1314, 22980), (1460, 20682), (1532, 19710), (1752, 17235), (1915, 15768), (1971, 15320), (2190, 13788), (2298, 13140), (2628, 11490), (2920, 10341), (3064, 9855), (3285, 9192), (3447, 8760), (3830, 7884), (3942, 7660), (4380, 6894), (4596, 6570), (5256, 5745)]