31511880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 114566400

約数和(自身を除く): 83054520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 271, 285, 306, 323, 340, 342, 360, 380, 408, 456, 510, 542, 570, 612, 646, 680, 684, 760, 765, 813, 855, 969, 1020, 1084, 1140, 1224, 1292, 1355, 1368, 1530, 1615, 1626, 1710, 1938, 2040, 2168, 2280, 2439, 2584, 2710, 2907, 3060, 3230, 3252, 3420, 3876, 4065, 4607, 4845, 4878, 5149, 5420, 5814, 6120, 6460, 6504, 6840, 7752, 8130, 9214, 9690, 9756, 10298, 10840, 11628, 12195, 12920, 13821, 14535, 15447, 16260, 18428, 19380, 19512, 20596, 23035, 23256, 24390, 25745, 27642, 29070, 30894, 32520, 36856, 38760, 41192, 41463, 46070, 46341, 48780, 51490, 55284, 58140, 61788, 69105, 77235, 82926, 87533, 92140, 92682, 97560, 102980, 110568, 116280, 123576, 138210, 154470, 165852, 175066, 184280, 185364, 205960, 207315, 231705, 262599, 276420, 308940, 331704, 350132, 370728, 414630, 437665, 463410, 525198, 552840, 617880, 700264, 787797, 829260, 875330, 926820, 1050396, 1312995, 1575594, 1658520, 1750660, 1853640, 2100792, 2625990, 3151188, 3501320, 3938985, 5251980, 6302376, 7877970, 10503960, 15755940, 31511880]

約数ペア:

[(1, 31511880), (2, 15755940), (3, 10503960), (4, 7877970), (5, 6302376), (6, 5251980), (8, 3938985), (9, 3501320), (10, 3151188), (12, 2625990), (15, 2100792), (17, 1853640), (18, 1750660), (19, 1658520), (20, 1575594), (24, 1312995), (30, 1050396), (34, 926820), (36, 875330), (38, 829260), (40, 787797), (45, 700264), (51, 617880), (57, 552840), (60, 525198), (68, 463410), (72, 437665), (76, 414630), (85, 370728), (90, 350132), (95, 331704), (102, 308940), (114, 276420), (120, 262599), (136, 231705), (152, 207315), (153, 205960), (170, 185364), (171, 184280), (180, 175066), (190, 165852), (204, 154470), (228, 138210), (255, 123576), (271, 116280), (285, 110568), (306, 102980), (323, 97560), (340, 92682), (342, 92140), (360, 87533), (380, 82926), (408, 77235), (456, 69105), (510, 61788), (542, 58140), (570, 55284), (612, 51490), (646, 48780), (680, 46341), (684, 46070), (760, 41463), (765, 41192), (813, 38760), (855, 36856), (969, 32520), (1020, 30894), (1084, 29070), (1140, 27642), (1224, 25745), (1292, 24390), (1355, 23256), (1368, 23035), (1530, 20596), (1615, 19512), (1626, 19380), (1710, 18428), (1938, 16260), (2040, 15447), (2168, 14535), (2280, 13821), (2439, 12920), (2584, 12195), (2710, 11628), (2907, 10840), (3060, 10298), (3230, 9756), (3252, 9690), (3420, 9214), (3876, 8130), (4065, 7752), (4607, 6840), (4845, 6504), (4878, 6460), (5149, 6120), (5420, 5814)]