31560840

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 113218560

約数和(自身を除く): 81657720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 191, 204, 216, 243, 255, 270, 306, 324, 340, 360, 382, 405, 408, 459, 486, 510, 540, 573, 612, 648, 680, 764, 765, 810, 918, 955, 972, 1020, 1080, 1146, 1215, 1224, 1377, 1528, 1530, 1620, 1719, 1836, 1910, 1944, 2040, 2292, 2295, 2430, 2754, 2865, 3060, 3240, 3247, 3438, 3672, 3820, 4131, 4584, 4590, 4860, 5157, 5508, 5730, 6120, 6494, 6876, 6885, 7640, 8262, 8595, 9180, 9720, 9741, 10314, 11016, 11460, 12988, 13752, 13770, 15471, 16235, 16524, 17190, 18360, 19482, 20628, 20655, 22920, 25785, 25976, 27540, 29223, 30942, 32470, 33048, 34380, 38964, 41256, 41310, 46413, 48705, 51570, 55080, 58446, 61884, 64940, 68760, 77355, 77928, 82620, 87669, 92826, 97410, 103140, 116892, 123768, 129880, 146115, 154710, 165240, 175338, 185652, 194820, 206280, 232065, 233784, 263007, 292230, 309420, 350676, 371304, 389640, 438345, 464130, 526014, 584460, 618840, 701352, 789021, 876690, 928260, 1052028, 1168920, 1315035, 1578042, 1753380, 1856520, 2104056, 2630070, 3156084, 3506760, 3945105, 5260140, 6312168, 7890210, 10520280, 15780420, 31560840]

約数ペア:

[(1, 31560840), (2, 15780420), (3, 10520280), (4, 7890210), (5, 6312168), (6, 5260140), (8, 3945105), (9, 3506760), (10, 3156084), (12, 2630070), (15, 2104056), (17, 1856520), (18, 1753380), (20, 1578042), (24, 1315035), (27, 1168920), (30, 1052028), (34, 928260), (36, 876690), (40, 789021), (45, 701352), (51, 618840), (54, 584460), (60, 526014), (68, 464130), (72, 438345), (81, 389640), (85, 371304), (90, 350676), (102, 309420), (108, 292230), (120, 263007), (135, 233784), (136, 232065), (153, 206280), (162, 194820), (170, 185652), (180, 175338), (191, 165240), (204, 154710), (216, 146115), (243, 129880), (255, 123768), (270, 116892), (306, 103140), (324, 97410), (340, 92826), (360, 87669), (382, 82620), (405, 77928), (408, 77355), (459, 68760), (486, 64940), (510, 61884), (540, 58446), (573, 55080), (612, 51570), (648, 48705), (680, 46413), (764, 41310), (765, 41256), (810, 38964), (918, 34380), (955, 33048), (972, 32470), (1020, 30942), (1080, 29223), (1146, 27540), (1215, 25976), (1224, 25785), (1377, 22920), (1528, 20655), (1530, 20628), (1620, 19482), (1719, 18360), (1836, 17190), (1910, 16524), (1944, 16235), (2040, 15471), (2292, 13770), (2295, 13752), (2430, 12988), (2754, 11460), (2865, 11016), (3060, 10314), (3240, 9741), (3247, 9720), (3438, 9180), (3672, 8595), (3820, 8262), (4131, 7640), (4584, 6885), (4590, 6876), (4860, 6494), (5157, 6120), (5508, 5730)]