131812920

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 452874240

約数和(自身を除く): 321061320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 191, 213, 216, 243, 270, 284, 324, 355, 360, 382, 405, 426, 486, 540, 568, 573, 639, 648, 710, 764, 810, 852, 955, 972, 1065, 1080, 1146, 1215, 1278, 1420, 1528, 1620, 1704, 1719, 1910, 1917, 1944, 2130, 2292, 2430, 2556, 2840, 2865, 3195, 3240, 3438, 3820, 3834, 4260, 4584, 4860, 5112, 5157, 5730, 5751, 6390, 6876, 7640, 7668, 8520, 8595, 9585, 9720, 10314, 11460, 11502, 12780, 13561, 13752, 15336, 15471, 17190, 17253, 19170, 20628, 22920, 23004, 25560, 25785, 27122, 28755, 30942, 34380, 34506, 38340, 40683, 41256, 46008, 46413, 51570, 54244, 57510, 61884, 67805, 68760, 69012, 76680, 77355, 81366, 86265, 92826, 103140, 108488, 115020, 122049, 123768, 135610, 138024, 154710, 162732, 172530, 185652, 203415, 206280, 230040, 232065, 244098, 271220, 309420, 325464, 345060, 366147, 371304, 406830, 464130, 488196, 542440, 610245, 618840, 690120, 732294, 813660, 928260, 976392, 1098441, 1220490, 1464588, 1627320, 1830735, 1856520, 2196882, 2440980, 2929176, 3295323, 3661470, 4393764, 4881960, 5492205, 6590646, 7322940, 8787528, 10984410, 13181292, 14645880, 16476615, 21968820, 26362584, 32953230, 43937640, 65906460, 131812920]

約数ペア:

[(1, 131812920), (2, 65906460), (3, 43937640), (4, 32953230), (5, 26362584), (6, 21968820), (8, 16476615), (9, 14645880), (10, 13181292), (12, 10984410), (15, 8787528), (18, 7322940), (20, 6590646), (24, 5492205), (27, 4881960), (30, 4393764), (36, 3661470), (40, 3295323), (45, 2929176), (54, 2440980), (60, 2196882), (71, 1856520), (72, 1830735), (81, 1627320), (90, 1464588), (108, 1220490), (120, 1098441), (135, 976392), (142, 928260), (162, 813660), (180, 732294), (191, 690120), (213, 618840), (216, 610245), (243, 542440), (270, 488196), (284, 464130), (324, 406830), (355, 371304), (360, 366147), (382, 345060), (405, 325464), (426, 309420), (486, 271220), (540, 244098), (568, 232065), (573, 230040), (639, 206280), (648, 203415), (710, 185652), (764, 172530), (810, 162732), (852, 154710), (955, 138024), (972, 135610), (1065, 123768), (1080, 122049), (1146, 115020), (1215, 108488), (1278, 103140), (1420, 92826), (1528, 86265), (1620, 81366), (1704, 77355), (1719, 76680), (1910, 69012), (1917, 68760), (1944, 67805), (2130, 61884), (2292, 57510), (2430, 54244), (2556, 51570), (2840, 46413), (2865, 46008), (3195, 41256), (3240, 40683), (3438, 38340), (3820, 34506), (3834, 34380), (4260, 30942), (4584, 28755), (4860, 27122), (5112, 25785), (5157, 25560), (5730, 23004), (5751, 22920), (6390, 20628), (6876, 19170), (7640, 17253), (7668, 17190), (8520, 15471), (8595, 15336), (9585, 13752), (9720, 13561), (10314, 12780), (11460, 11502)]