31450320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:79

約数の個数: 270

約数和(自身を含む): 122527314

約数和(自身を除く): 91076994

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 121, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 242, 264, 285, 304, 330, 342, 360, 361, 363, 380, 396, 418, 440, 456, 484, 495, 528, 570, 605, 627, 660, 684, 720, 722, 726, 760, 792, 836, 855, 880, 912, 968, 990, 1045, 1083, 1089, 1140, 1210, 1254, 1320, 1368, 1444, 1452, 1520, 1584, 1672, 1710, 1805, 1815, 1881, 1936, 1980, 2090, 2166, 2178, 2280, 2299, 2420, 2508, 2640, 2736, 2888, 2904, 3135, 3249, 3344, 3420, 3610, 3630, 3762, 3960, 3971, 4180, 4332, 4356, 4560, 4598, 4840, 5016, 5415, 5445, 5776, 5808, 6270, 6498, 6840, 6897, 7220, 7260, 7524, 7920, 7942, 8360, 8664, 8712, 9196, 9405, 9680, 10032, 10830, 10890, 11495, 11913, 12540, 12996, 13680, 13794, 14440, 14520, 15048, 15884, 16245, 16720, 17328, 17424, 18392, 18810, 19855, 20691, 21660, 21780, 22990, 23826, 25080, 25992, 27588, 28880, 29040, 30096, 31768, 32490, 34485, 35739, 36784, 37620, 39710, 41382, 43320, 43560, 43681, 45980, 47652, 50160, 51984, 55176, 59565, 63536, 64980, 68970, 71478, 75240, 79420, 82764, 86640, 87120, 87362, 91960, 95304, 103455, 110352, 119130, 129960, 131043, 137940, 142956, 150480, 158840, 165528, 174724, 178695, 183920, 190608, 206910, 218405, 238260, 259920, 262086, 275880, 285912, 317680, 331056, 349448, 357390, 393129, 413820, 436810, 476520, 524172, 551760, 571824, 655215, 698896, 714780, 786258, 827640, 873620, 953040, 1048344, 1310430, 1429560, 1572516, 1655280, 1747240, 1965645, 2096688, 2620860, 2859120, 3145032, 3494480, 3931290, 5241720, 6290064, 7862580, 10483440, 15725160, 31450320]

約数ペア:

[(1, 31450320), (2, 15725160), (3, 10483440), (4, 7862580), (5, 6290064), (6, 5241720), (8, 3931290), (9, 3494480), (10, 3145032), (11, 2859120), (12, 2620860), (15, 2096688), (16, 1965645), (18, 1747240), (19, 1655280), (20, 1572516), (22, 1429560), (24, 1310430), (30, 1048344), (33, 953040), (36, 873620), (38, 827640), (40, 786258), (44, 714780), (45, 698896), (48, 655215), (55, 571824), (57, 551760), (60, 524172), (66, 476520), (72, 436810), (76, 413820), (80, 393129), (88, 357390), (90, 349448), (95, 331056), (99, 317680), (110, 285912), (114, 275880), (120, 262086), (121, 259920), (132, 238260), (144, 218405), (152, 206910), (165, 190608), (171, 183920), (176, 178695), (180, 174724), (190, 165528), (198, 158840), (209, 150480), (220, 142956), (228, 137940), (240, 131043), (242, 129960), (264, 119130), (285, 110352), (304, 103455), (330, 95304), (342, 91960), (360, 87362), (361, 87120), (363, 86640), (380, 82764), (396, 79420), (418, 75240), (440, 71478), (456, 68970), (484, 64980), (495, 63536), (528, 59565), (570, 55176), (605, 51984), (627, 50160), (660, 47652), (684, 45980), (720, 43681), (722, 43560), (726, 43320), (760, 41382), (792, 39710), (836, 37620), (855, 36784), (880, 35739), (912, 34485), (968, 32490), (990, 31768), (1045, 30096), (1083, 29040), (1089, 28880), (1140, 27588), (1210, 25992), (1254, 25080), (1320, 23826), (1368, 22990), (1444, 21780), (1452, 21660), (1520, 20691), (1584, 19855), (1672, 18810), (1710, 18392), (1805, 17424), (1815, 17328), (1881, 16720), (1936, 16245), (1980, 15884), (2090, 15048), (2166, 14520), (2178, 14440), (2280, 13794), (2299, 13680), (2420, 12996), (2508, 12540), (2640, 11913), (2736, 11495), (2888, 10890), (2904, 10830), (3135, 10032), (3249, 9680), (3344, 9405), (3420, 9196), (3610, 8712), (3630, 8664), (3762, 8360), (3960, 7942), (3971, 7920), (4180, 7524), (4332, 7260), (4356, 7220), (4560, 6897), (4598, 6840), (4840, 6498), (5016, 6270), (5415, 5808), (5445, 5776)]